CVE-2009-0688

cyrus-sasl: sasl_encode64() does not reliably null-terminate its output

Severity Score

9.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Multiple buffer overflows in the CMU Cyrus SASL library before 2.1.23 might allow remote attackers to execute arbitrary code or cause a denial of service (application crash) via strings that are used as input to the sasl_encode64 function in lib/saslutil.c.

Múltiples desbordamientos de búfer en la librería CMU Cyrus SASL versiones anteriores a v2.1.23 puede permitir a atacantes remotos ejecutar código de su elección o provocar una denegación de servicio (caída de aplicación) a través de cadenas que son utilizadas como entradas en la función sasl_encode64 en lib/saslutil.c.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2009-02-22 CVE Reserved
2009-05-15 CVE Published
2024-08-07 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

CAPEC

References (41)

URL	Tag	Source
http://osvdb.org/54514	Vdb Entry
http://osvdb.org/54515	Vdb Entry
http://secunia.com/advisories/35094	Third Party Advisory
http://secunia.com/advisories/35097	Third Party Advisory
http://secunia.com/advisories/35102	Third Party Advisory
http://secunia.com/advisories/35206	Third Party Advisory
http://secunia.com/advisories/35239	Third Party Advisory
http://secunia.com/advisories/35321	Third Party Advisory
http://secunia.com/advisories/35416	Third Party Advisory
http://secunia.com/advisories/35497	Third Party Advisory
http://secunia.com/advisories/35746	Third Party Advisory
http://secunia.com/advisories/39428	Third Party Advisory
http://support.apple.com/kb/HT4077	X_refsource_confirm
http://support.avaya.com/elmodocs2/security/ASA-2009-184.htm	X_refsource_confirm
http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0091	X_refsource_confirm
http://www.oracle.com/technetwork/topics/security/cpuapr2010-099504.html	X_refsource_confirm
http://www.securitytracker.com/id?1022231	Vdb Entry
http://www.us-cert.gov/cas/techalerts/TA10-103B.html	Third Party Advisory
http://www.vupen.com/english/advisories/2009/1313	Vdb Entry
http://www.vupen.com/english/advisories/2009/2012	Vdb Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/50554	Vdb Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10687	Signature
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6136	Signature

URL	Date	SRC

URL	Date	SRC
ftp://ftp.andrew.cmu.edu/pub/cyrus-mail/cyrus-sasl-2.1.23.tar.gz	2017-09-29
http://www.kb.cert.org/vuls/id/238019	2017-09-29
http://www.securityfocus.com/bid/34961	2017-09-29

URL	Date	SRC
http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html	2017-09-29
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00003.html	2017-09-29
http://security.gentoo.org/glsa/glsa-200907-09.xml	2017-09-29
http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.448834	2017-09-29
http://sunsolve.sun.com/search/document.do?assetkey=1-66-259148-1	2017-09-29
http://sunsolve.sun.com/search/document.do?assetkey=1-66-264248-1	2017-09-29
http://sunsolve.sun.com/search/document.do?assetkey=1-66-273910-1	2017-09-29
http://sunsolve.sun.com/search/document.do?assetkey=1-77-1020755.1-1	2017-09-29
http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021699.1-1	2017-09-29
http://www.debian.org/security/2009/dsa-1807	2017-09-29
http://www.mandriva.com/security/advisories?name=MDVSA-2009:113	2017-09-29
http://www.redhat.com/support/errata/RHSA-2009-1116.html	2017-09-29
http://www.ubuntu.com/usn/usn-790-1	2017-09-29
https://access.redhat.com/security/cve/CVE-2009-0688	2009-06-18
https://bugzilla.redhat.com/show_bug.cgi?id=487251	2009-06-18

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				<= 2.1.22 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version " <= 2.1.22"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				1.4.1 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "1.4.1"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				1.5.0 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "1.5.0"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				1.5.2 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "1.5.2"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				1.5.3 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "1.5.3"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				1.5.5 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "1.5.5"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				1.5.10 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "1.5.10"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				1.5.11 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "1.5.11"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				1.5.13 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "1.5.13"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				1.5.15 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "1.5.15"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				1.5.16 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "1.5.16"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				1.5.20 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "1.5.20"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				1.5.21 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "1.5.21"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				1.5.22 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "1.5.22"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				1.5.23 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "1.5.23"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				1.5.24 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "1.5.24"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				1.5.26 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "1.5.26"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				1.5.27 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "1.5.27"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				1.5.28 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "1.5.28"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				2.0.0 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "2.0.0"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				2.0.1 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "2.0.1"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				2.0.2 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "2.0.2"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				2.0.3 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "2.0.3"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				2.0.4 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "2.0.4"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				2.0.5 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "2.0.5"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				2.1.0 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "2.1.0"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				2.1.1 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "2.1.1"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				2.1.2 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "2.1.2"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				2.1.3 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "2.1.3"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				2.1.5 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "2.1.5"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				2.1.6 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "2.1.6"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				2.1.7 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "2.1.7"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				2.1.8 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "2.1.8"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				2.1.9 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "2.1.9"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				2.1.10 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "2.1.10"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				2.1.11 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "2.1.11"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				2.1.12 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "2.1.12"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				2.1.13 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "2.1.13"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				2.1.14 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "2.1.14"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				2.1.15 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "2.1.15"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				2.1.16 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "2.1.16"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				2.1.17 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "2.1.17"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				2.1.18 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "2.1.18"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				2.1.19 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "2.1.19"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				2.1.20 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "2.1.20"		-		Affected
Carnegie Mellon University Search vendor "Carnegie Mellon University"		Cyrus-sasl Search vendor "Carnegie Mellon University" for product "Cyrus-sasl"				2.1.21 Search vendor "Carnegie Mellon University" for product "Cyrus-sasl" and version "2.1.21"		-		Affected