Vulnerability Name:

CVE-2011-1496 (CCN-66693)

Assigned:2011-04-11
Published:2011-04-11
Updated:2017-08-17
Summary:tmux 1.3 and 1.4 does not properly drop group privileges, which allows local users to gain utmp group privileges via a filename to the -S command-line option.
CVSS v3 Severity:5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
Exploitability Metrics:Attack Vector (AV): Local
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:4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
3.4 Low (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P/E:U/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
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
3.4 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-264
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2011-1496

Source: FEDORA
Type: UNKNOWN
FEDORA-2011-5167

Source: FEDORA
Type: UNKNOWN
FEDORA-2011-5156

Source: FEDORA
Type: UNKNOWN
FEDORA-2011-5486

Source: SECUNIA
Type: Vendor Advisory
44081

Source: SECUNIA
Type: Vendor Advisory
44239

Source: CCN
Type: tmux Web site
tmux

Source: DEBIAN
Type: UNKNOWN
DSA-2212

Source: DEBIAN
Type: DSA-2212
tmux -- privilege escalation

Source: EXPLOIT-DB
Type: Exploit
17147

Source: CCN
Type: OSVDB ID: 71883
tmux Group Privilege Dropping Weakness Local Privilege Escalation

Source: BID
Type: UNKNOWN
47283

Source: CCN
Type: BID-47283
tmux '-S' Option Incorrect SetGID Local Privilege Escalation Vulnerability

Source: VUPEN
Type: Vendor Advisory
ADV-2011-0897

Source: VUPEN
Type: Vendor Advisory
ADV-2011-1002

Source: VUPEN
Type: Vendor Advisory
ADV-2011-1015

Source: XF
Type: UNKNOWN
tmux-setgid-privilege-escalation(66693)

Source: XF
Type: UNKNOWN
tmux-setgid-privilege-escalation(66693)

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [04-11-2011]

Vulnerable Configuration:Configuration 1:
  • cpe:/a:nicholas_marriott:tmux:1.3:*:*:*:*:*:*:*
  • OR cpe:/a:nicholas_marriott:tmux:1.4:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.mitre.oval:def:12728
    P
    DSA-2212-1 tmux -- privilege escalation
    2014-06-23
    oval:com.ubuntu.precise:def:20111496000
    V
    CVE-2011-1496 on Ubuntu 12.04 LTS (precise) - medium.
    2011-04-18
    BACK
    nicholas_marriott tmux 1.3
    nicholas_marriott tmux 1.4