CVE-2010-2547

2: use-after-free when importing certificate with many alternate names

Severity Score

8.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Use-after-free vulnerability in kbx/keybox-blob.c in GPGSM in GnuPG 2.x through 2.0.16 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a certificate with a large number of Subject Alternate Names, which is not properly handled in a realloc operation when importing the certificate or verifying its signature.

Vulnerabilidad de uso después de la liberación (use-after-free) en kbx/keybox-blob.c en GPGSM de GnuPG v2.x hasta v2.0.16 permite a atacantes remotos causar una denegación de servicio (caída del sistema) y posiblemente ejecutar código de su elección mediante un certificado con un gran número de Subject Alternate Names, que no es manejado de forma adecuada en una operación realloc cuando se importa el certificado o se verifica su firma.

*Credits: N/A

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

High

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2010-06-30 CVE Reserved
2010-07-28 CVE Published
2024-02-03 EPSS Updated
2024-08-07 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-416: Use After Free

CAPEC

References (20)

URL	Tag	Source
http://wiki.rpath.com/wiki/Advisories:rPSA-2010-0076	Broken Link
http://www.securityfocus.com/bid/41945	Broken Link
http://www.securitytracker.com/id?1024247	Broken Link
http://www.vupen.com/english/advisories/2010/2217	Broken Link
http://www.vupen.com/english/advisories/2010/3125	Broken Link
https://issues.rpath.com/browse/RPL-3229	Broken Link

URL	Date	SRC

URL	Date	SRC
http://lists.gnupg.org/pipermail/gnupg-announce/2010q3/000302.html	2024-02-02

URL	Date	SRC
http://lists.fedoraproject.org/pipermail/package-announce/2010-August/044935.html	2024-02-02
http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00001.html	2024-02-02
http://secunia.com/advisories/38877	2024-02-02
http://secunia.com/advisories/40718	2024-02-02
http://secunia.com/advisories/40841	2024-02-02
http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.462008	2024-02-02
http://www.debian.org/security/2010/dsa-2076	2024-02-02
http://www.mandriva.com/security/advisories?name=MDVSA-2010:143	2024-02-02
http://www.vupen.com/english/advisories/2010/1931	2024-02-02
http://www.vupen.com/english/advisories/2010/1950	2024-02-02
http://www.vupen.com/english/advisories/2010/1988	2024-02-02
https://access.redhat.com/security/cve/CVE-2010-2547	2010-08-04
https://bugzilla.redhat.com/show_bug.cgi?id=618156	2010-08-04

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Gnupg Search vendor "Gnupg"		Gnupg Search vendor "Gnupg" for product "Gnupg"				>= 2.0.0 <= 2.0.16 Search vendor "Gnupg" for product "Gnupg" and version " >= 2.0.0 <= 2.0.16"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				13 Search vendor "Fedoraproject" for product "Fedora" and version "13"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				5.0 Search vendor "Debian" for product "Debian Linux" and version "5.0"		-		Affected