Vulnerability Name:

CVE-2011-3336 (CCN-71159)

Assigned:2011-11-04
Published:2011-11-04
Updated:2020-02-18
Summary:regcomp in the BSD implementation of libc is vulnerable to denial of service due to stack exhaustion.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
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): None
Integrity (I): None
Availibility (A): High
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:7.8 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
6.4 Medium (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C/E:F/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): Complete
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
4.1 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P/E:F/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-400
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2011-3336

Source: FULLDISC
Type: Exploit, Mailing List, Third Party Advisory
20140314 MacOSX Safari Firefox Kaspersky RegExp Remote/Local Denial of Service

Source: CCN
Type: SecurityReason Advisory: 102
Multiple BSD libc/regcomp(3) Multiple Vulnerabilities

Source: CCN
Type: Apple Web site
Apple - Mac OS X

Source: CCN
Type: FreeBSD Web site
The FreeBSD Project

Source: CCN
Type: NetBSD Web site
The NetBSD Project

Source: CCN
Type: OpenBSD Web site
OpenBSD

Source: BID
Type: Exploit, Third Party Advisory, VDB Entry
50541

Source: CCN
Type: BID-50541
Multiple Vendors libc 'regcomp()' Stack Exhaustion Denial Of Service Vulnerability

Source: MISC
Type: Exploit, Third Party Advisory
https://cxsecurity.com/issue/WLB-2011110082

Source: XF
Type: UNKNOWN
multiple-regcomp-dos(71159)

Source: BUGTRAQ
Type: Exploit, Third Party Advisory, VDB Entry
20111104 Multiple BSD libc/regcomp(3) Multiple Vulnerabilities

Vulnerable Configuration:Configuration 1:
  • cpe:/a:php:php:*:*:*:*:*:*:*:* (Version >= 5.3.0 and <= 5.3.10)
  • OR cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version >= 10.6.0 and <= 10.7.2)
  • OR cpe:/o:freebsd:freebsd:8.2:-:*:*:*:*:*:*
  • OR cpe:/o:openbsd:openbsd:5.0:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:*
  • OR cpe:/o:netbsd:netbsd:5.1:*:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:8.2:-:*:*:*:*:*:*
  • OR cpe:/o:openbsd:openbsd:5.0:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    php php *
    apple mac os x *
    freebsd freebsd 8.2 -
    openbsd openbsd 5.0
    apple mac os x *
    netbsd netbsd 5.1
    freebsd freebsd 8.2 -
    openbsd openbsd 5.0