CVE-2015-3308

Ubuntu Security Notice USN-2727-1

Severity Score

10.0

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Double free vulnerability in lib/x509/x509_ext.c in GnuTLS before 3.3.14 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted CRL distribution point.

Vulnerabilidad de liberación doble en lib/x509/x509_ext.c en GnuTLS en versiones anteriores a 3.3.14, permite a atacantes remotos causar una denegación de servicio o posiblemente tener otro impacto no especificado a través de un punto de distribución CRL manipulado.

It was discovered that GnuTLS incorrectly handled parsing CRL distribution points. A remote attacker could possibly use this issue to cause a denial of service, or execute arbitrary code. Kurt Roeckx discovered that GnuTLS incorrectly handled a long DistinguishedName (DN) entry in a certificate. A remote attacker could possibly use this issue to cause a denial of service, or execute arbitrary code. Various other issues were also addressed.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2015-04-16 CVE Reserved
2015-06-22 CVE Published
2024-08-06 CVE Updated
2025-05-10 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (10)

URL	Tag	Source
http://www.gnutls.org/security.html#GNUTLS-SA-2015-4	X_refsource_confirm
http://www.openwall.com/lists/oss-security/2015/04/15/6	Mailing List
http://www.openwall.com/lists/oss-security/2015/04/16/6	Mailing List
http://www.securityfocus.com/bid/74188	Vdb Entry
http://www.securitytracker.com/id/1033774	Vdb Entry
https://gitlab.com/gnutls/gnutls/commit/053ae65403216acdb0a4e78b25ad66ee9f444f02	X_refsource_confirm
https://gitlab.com/gnutls/gnutls/commit/d6972be33264ecc49a86cd0958209cd7363af1e9	X_refsource_confirm

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155101.html	2016-12-22
http://www.ubuntu.com/usn/USN-2727-1	2016-12-22
https://security.gentoo.org/glsa/201506-03	2016-12-22

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				<= 3.3.13 Search vendor "Gnu" for product "Gnutls" and version " <= 3.3.13"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				15.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "15.04"		-		Affected