CVE-2010-2939

OpenSSL - 'ssl3_get_key_exchange()' Use-After-Free Memory Corruption

Severity Score

4.3

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Double free vulnerability in the ssl3_get_key_exchange function in the OpenSSL client (ssl/s3_clnt.c) in OpenSSL 1.0.0a, 0.9.8, 0.9.7, and possibly other versions, when using ECDH, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted private key with an invalid prime. NOTE: some sources refer to this as a use-after-free issue.

Vulnerabilidad de doble liberación en la función ssl3_get_key_exchange en el cliente OpenSSL (ssl/s3_clnt.c) de OpenSSL v1.0.0a, v0.9.8, v0.9.7, y posiblemente otras versiones, cuando usa ECDH, permite a atacantes depediendo del contexto provocar una denegación de servicio (caída) y posiblemente ejecutar código a su elección a través de claves privadas manipuladas con un número no válido. NOTA: algunas fuentes se refieren a esto como un problema de uso después de la liberación.

*Credits: N/A

CVSS Scores

NISTv2 4.3

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2010-08-04 CVE Reserved
2010-08-07 First Exploit
2010-08-17 CVE Published
2024-08-07 CVE Updated
2024-10-04 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-399: Resource Management Errors

CAPEC

References (23)

URL	Tag	Source
http://seclists.org/fulldisclosure/2010/Aug/84	Mailing List
http://secunia.com/advisories/41105	Third Party Advisory
http://secunia.com/advisories/42309	Third Party Advisory
http://secunia.com/advisories/42413	Third Party Advisory
http://secunia.com/advisories/43312	Third Party Advisory
http://securitytracker.com/id?1024296	Vdb Entry
http://www.mail-archive.com/openssl-dev%40openssl.org/msg28043.html	Mailing List
http://www.mail-archive.com/openssl-dev%40openssl.org/msg28045.html	Mailing List
http://www.mail-archive.com/openssl-dev%40openssl.org/msg28049.html	Mailing List
http://www.openwall.com/lists/oss-security/2010/08/11/6	Mailing List
http://www.securityfocus.com/archive/1/516397/100/0/threaded	Mailing List
http://www.vmware.com/security/advisories/VMSA-2011-0003.html	X_refsource_confirm
http://www.vupen.com/english/advisories/2010/2229	Vdb Entry
http://www.vupen.com/english/advisories/2010/3077	Vdb Entry

URL	Date	SRC
https://www.exploit-db.com/exploits/34427	2010-08-07

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00005.html	2023-11-07
http://marc.info/?l=bugtraq&m=130331363227777&w=2	2023-11-07
http://secunia.com/advisories/40906	2023-11-07
http://security.FreeBSD.org/advisories/FreeBSD-SA-10:10.openssl.asc	2023-11-07
http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.668793	2023-11-07
http://www.debian.org/security/2010/dsa-2100	2023-11-07
http://www.ubuntu.com/usn/USN-1003-1	2023-11-07
http://www.vupen.com/english/advisories/2010/2038	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Openssl Search vendor "Openssl"		Openssl Search vendor "Openssl" for product "Openssl"				0.9.7 Search vendor "Openssl" for product "Openssl" and version "0.9.7"		-		Affected
Openssl Search vendor "Openssl"		Openssl Search vendor "Openssl" for product "Openssl"				0.9.8 Search vendor "Openssl" for product "Openssl" and version "0.9.8"		-		Affected
Openssl Search vendor "Openssl"		Openssl Search vendor "Openssl" for product "Openssl"				1.0.0a Search vendor "Openssl" for product "Openssl" and version "1.0.0a"		-		Affected