Vulnerability CVE-2011-2168 - CERT Civis.Net

Vulnerability Name:

CVE-2011-2168 (CCN-67696)

Assigned:

2011-05-12

Published:

2011-05-12

Updated:

2011-06-11

Summary:

Multiple integer overflows in the glob implementation in libc in OpenBSD before 4.9 might allow context-dependent attackers to have an unspecified impact via a crafted string, related to the GLOB_APPEND and GLOB_DOOFFS flags, a different issue than CVE-2011-0418.

CVSS v3 Severity:

7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): Low

CVSS v2 Severity:

5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
3.7 Low (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
5.5 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

Vulnerability Type:

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2011-2168

Source: SREASONRES
Type: UNKNOWN
20110502 Multiple Vendors libc/glob(3) GLOB_BRACE|GLOB_LIMIT memory exhaustion

Source: CCN
Type: OpenBSD CVS Repository
OpenBSD

Source: CONFIRM
Type: Patch
http://www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/gen/glob.c#rev1.35

Source: CONFIRM
Type: Patch
http://www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/gen/glob.c.diff?r1=1.34;r2=1.35;f=h

Source: BID
Type: UNKNOWN
48004

Source: CCN
Type: BID-48004
OpenBSD libc glob 'GLOB_APPEND' and 'GLOB_DOOFFS' Flags Multiple Integer Overflow Vulnerabilities

Source: XF
Type: UNKNOWN
openbsd-globappend-overflow(67696)

Vulnerable Configuration:

Configuration 1:

cpe:/o:openbsd:openbsd:2.0:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:2.1:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:2.2:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:2.3:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:2.4:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:2.5:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:2.6:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:2.7:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:2.8:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:2.9:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:3.0:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:3.1:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:3.2:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:3.3:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:3.4:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:3.5:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:3.6:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:3.7:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:3.8:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:3.9:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:4.0:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:4.1:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:4.2:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:4.3:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:4.4:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:4.5:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:4.6:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:4.7:*:*:*:*:*:*:*

OR cpe:/o:openbsd:openbsd:*:*:*:*:*:*:*:* (Version <= 4.8)

Configuration CCN 1:

cpe:/o:openbsd:openbsd:4.8:*:*:*:*:*:*:*

Denotes that component is vulnerable