Vulnerability Name:

CVE-2006-5556 (CCN-29777)

Assigned:2006-10-24
Published:2006-10-24
Updated:2017-10-19
Summary:Buffer overflow in the localtime_r function, and certain other functions, in libc in HP-UX B.11.11 and possibly other versions allows local users to execute arbitrary code via a long TZ environment variable.
CVSS v3 Severity:9.3 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
3.8 Low (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P/E:F/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
5.9 Medium (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C/E:F/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-Other
Vulnerability Consequences:Gain Privileges
References:Source: MISC
Type: Exploit
http://blogs.23.nu/prdelka/stories/13144/

Source: MITRE
Type: CNA
CVE-2006-5556

Source: CCN
Type: HP Security Bulletin HPSBUX02091 SSRT061099
HP-UX Local Increased Privilege

Source: CCN
Type: Hewlett-Packard Web site
HP-UX 11i

Source: CCN
Type: OSVDB ID: 34027
HP-UX libc localtime_r Function TZ Variable Local Overflow

Source: BID
Type: Exploit, Patch
20718

Source: CCN
Type: BID-20718
HP-UX LibC TZ Environment Variable Local Buffer Overflow Vulnerability

Source: XF
Type: UNKNOWN
hpux-timezone-bo(29777)

Source: XF
Type: UNKNOWN
hpux-timezone-bo(29777)

Source: EXPLOIT-DB
Type: UNKNOWN
2636

Vulnerable Configuration:Configuration 1:
  • cpe:/o:hp:hp-ux:11.00:*:*:*:*:*:*:*
  • OR cpe:/o:hp:hp-ux:11.4:*:*:*:*:*:*:*
  • OR cpe:/o:hp:hp-ux:11.11:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    hp hp-ux 11.00
    hp hp-ux 11.4
    hp hp-ux 11.11