CVE-2011-2895 : Détail

CVE-2011-2895

Overflow
1.63%V3
Network
2011-08-19
15h00 +00:00
2017-08-28
10h57 +00:00
CVE.org
NVD
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Descriptions du CVE

The LZW decompressor in (1) the BufCompressedFill function in fontfile/decompress.c in X.Org libXfont before 1.4.4 and (2) compress/compress.c in 4.3BSD, as used in zopen.c in OpenBSD before 3.8, FreeBSD, NetBSD 4.0.x and 5.0.x before 5.0.3 and 5.1.x before 5.1.1, FreeType 2.1.9, and other products, does not properly handle code words that are absent from the decompression table when encountered, which allows context-dependent attackers to trigger an infinite loop or a heap-based buffer overflow, and possibly execute arbitrary code, via a crafted compressed stream, a related issue to CVE-2006-1168 and CVE-2011-2896.

Informations du CVE

Faiblesses connexes

CWE-ID Nom de la faiblesse Source
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

Métriques

Métriques Score Gravité CVSS Vecteur Source
V2 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C [email protected]

EPSS

EPSS est un modèle de notation qui prédit la probabilité qu'une vulnérabilité soit exploitée.

Score EPSS

Le modèle EPSS produit un score de probabilité compris entre 0 et 1 (0 et 100 %). Plus la note est élevée, plus la probabilité qu'une vulnérabilité soit exploitée est grande.

Percentile EPSS

Le percentile est utilisé pour classer les CVE en fonction de leur score EPSS. Par exemple, une CVE dans le 95e percentile selon son score EPSS est plus susceptible d'être exploitée que 95 % des autres CVE. Ainsi, le percentile sert à comparer le score EPSS d'une CVE par rapport à d'autres CVE.
EPSS First.org

Products Mentioned

Configuraton 0

Freetype>>Freetype >> Version 2.1.9

X>>Libxfont >> Version To (including) 1.4.3

X>>Libxfont >> Version 1.2.0

X>>Libxfont >> Version 1.2.1

X>>Libxfont >> Version 1.2.2

X>>Libxfont >> Version 1.2.3

X>>Libxfont >> Version 1.2.4

X>>Libxfont >> Version 1.2.5

X>>Libxfont >> Version 1.2.6

X>>Libxfont >> Version 1.2.7

X>>Libxfont >> Version 1.2.8

X>>Libxfont >> Version 1.2.9

X>>Libxfont >> Version 1.3.0

X>>Libxfont >> Version 1.3.1

X>>Libxfont >> Version 1.3.2

X>>Libxfont >> Version 1.3.3

X>>Libxfont >> Version 1.3.4

X>>Libxfont >> Version 1.4.0

X>>Libxfont >> Version 1.4.1

X>>Libxfont >> Version 1.4.2

Freebsd>>Freebsd >> Version *

Netbsd>>Netbsd >> Version *

Openbsd>>Openbsd >> Version To (including) 3.7

Openbsd>>Openbsd >> Version 2.0

Openbsd>>Openbsd >> Version 2.1

Openbsd>>Openbsd >> Version 2.2

Openbsd>>Openbsd >> Version 2.3

Openbsd>>Openbsd >> Version 2.4

Openbsd>>Openbsd >> Version 2.5

Openbsd>>Openbsd >> Version 2.6

Openbsd>>Openbsd >> Version 2.7

Openbsd>>Openbsd >> Version 2.8

Openbsd>>Openbsd >> Version 2.9

Openbsd>>Openbsd >> Version 3.0

Openbsd>>Openbsd >> Version 3.1

Openbsd>>Openbsd >> Version 3.2

Openbsd>>Openbsd >> Version 3.3

Openbsd>>Openbsd >> Version 3.4

Openbsd>>Openbsd >> Version 3.5

Openbsd>>Openbsd >> Version 3.6

Références

https://support.apple.com/HT205635
Tags : x_refsource_CONFIRM
http://www.redhat.com/support/errata/RHSA-2011-1154.html
Tags : vendor-advisory, x_refsource_REDHAT
http://www.ubuntu.com/usn/USN-1191-1
Tags : vendor-advisory, x_refsource_UBUNTU
http://www.openwall.com/lists/oss-security/2011/08/10/10
Tags : mailing-list, x_refsource_MLIST
http://secunia.com/advisories/45544
Tags : third-party-advisory, x_refsource_SECUNIA
https://support.apple.com/HT205637
Tags : x_refsource_CONFIRM
http://support.apple.com/kb/HT5130
Tags : x_refsource_CONFIRM
http://www.mandriva.com/security/advisories?name=MDVSA-2011:153
Tags : vendor-advisory, x_refsource_MANDRIVA
http://www.securityfocus.com/bid/49124
Tags : vdb-entry, x_refsource_BID
http://secunia.com/advisories/45599
Tags : third-party-advisory, x_refsource_SECUNIA
http://www.redhat.com/support/errata/RHSA-2011-1155.html
Tags : vendor-advisory, x_refsource_REDHAT
http://securitytracker.com/id?1025920
Tags : vdb-entry, x_refsource_SECTRACK
http://secunia.com/advisories/46127
Tags : third-party-advisory, x_refsource_SECUNIA
http://secunia.com/advisories/45986
Tags : third-party-advisory, x_refsource_SECUNIA
http://www.redhat.com/support/errata/RHSA-2011-1161.html
Tags : vendor-advisory, x_refsource_REDHAT
http://www.redhat.com/support/errata/RHSA-2011-1834.html
Tags : vendor-advisory, x_refsource_REDHAT
http://secunia.com/advisories/45568
Tags : third-party-advisory, x_refsource_SECUNIA
https://support.apple.com/HT205641
Tags : x_refsource_CONFIRM
https://support.apple.com/HT205640
Tags : x_refsource_CONFIRM
http://secunia.com/advisories/48951
Tags : third-party-advisory, x_refsource_SECUNIA
http://support.apple.com/kb/HT5281
Tags : x_refsource_CONFIRM
http://www.debian.org/security/2011/dsa-2293
Tags : vendor-advisory, x_refsource_DEBIAN