Sudo parse.c privilege escalation

sudo-parse-privilege-escalation (64965) The risk level is classified as HighHigh Risk

Description:

Sudo could allow a local attacker to gain elevated privileges on the system, caused by the improper interpretation of a system group by a Fedora patch for parse.c. A local attacker could exploit this vulnerability using a sudo command to gain root privileges on the system.

*CVSS:

Base Score: 7.2
  Access Vector: Local
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: Complete
  Integrity Impact: Complete
  Availability Impact: Complete
 
Temporal Score: 5.3
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Privileges

Remedy:

Apply the appropriate update for your system. See References.

References:

  • Red Hat Bugzilla Bug 668843: CVE-2011-0008 sudo in Fedora vulnerable to CVE-2009-0034 again due to improper patch rediff.
  • Rt Announce Mailing List: RT 3.8.9 Released.
  • Sudo Web site: Sudo Main Page.
  • CVE-2011-0008: A certain Fedora patch for parse.c in sudo before 1.7.4p5-1.fc14 on Fedora 14 does not properly interpret a system group (aka %group) in the sudoers file during authorization decisions for a user who belongs to that group, which allows local users to leverage an applicable sudoers file and gain root privileges via a sudo command. NOTE: this vulnerability exists because of a CVE-2009-0034 regression.
  • SA43438: RT Information Disclosure Vulnerability

Platforms Affected:

  • Bestpractical RT 3.8.8
  • Todd Miller Sudo 1.3.1
  • Todd Miller Sudo 1.5
  • Todd Miller Sudo 1.5.2
  • Todd Miller Sudo 1.5.3
  • Todd Miller Sudo 1.5.6
  • Todd Miller Sudo 1.5.7
  • Todd Miller Sudo 1.5.8
  • Todd Miller Sudo 1.5.9
  • Todd Miller Sudo 1.6
  • Todd Miller Sudo 1.6.1
  • Todd Miller Sudo 1.6.2
  • Todd Miller Sudo 1.6.2p1
  • Todd Miller Sudo 1.6.2p2
  • Todd Miller Sudo 1.6.2p3
  • Todd Miller Sudo 1.6.3
  • Todd Miller Sudo 1.6.3 P1
  • Todd Miller Sudo 1.6.3 P2
  • Todd Miller Sudo 1.6.3 P3
  • Todd Miller Sudo 1.6.3 P4
  • Todd Miller Sudo 1.6.3 P5
  • Todd Miller Sudo 1.6.3 P6
  • Todd Miller Sudo 1.6.3 P7
  • Todd Miller Sudo 1.6.3p1
  • Todd Miller Sudo 1.6.3p2
  • Todd Miller Sudo 1.6.3p3
  • Todd Miller Sudo 1.6.3p4
  • Todd Miller Sudo 1.6.3p5
  • Todd Miller Sudo 1.6.3p6
  • Todd Miller Sudo 1.6.3p7
  • Todd Miller Sudo 1.6.4
  • Todd Miller Sudo 1.6.4 P1
  • Todd Miller Sudo 1.6.4 P2
  • Todd Miller Sudo 1.6.4p1
  • Todd Miller Sudo 1.6.4p2
  • Todd Miller Sudo 1.6.5
  • Todd Miller Sudo 1.6.5 P1
  • Todd Miller Sudo 1.6.5 P2
  • Todd Miller Sudo 1.6.5p1
  • Todd Miller Sudo 1.6.5p2
  • Todd Miller Sudo 1.6.6
  • Todd Miller Sudo 1.6.7
  • Todd Miller Sudo 1.6.7 P5
  • Todd Miller Sudo 1.6.7p1
  • Todd Miller Sudo 1.6.7p2
  • Todd Miller Sudo 1.6.7p3
  • Todd Miller Sudo 1.6.7p4
  • Todd Miller Sudo 1.6.7p5
  • Todd Miller Sudo 1.6.8
  • Todd Miller Sudo 1.6.8 P1
  • Todd Miller Sudo 1.6.8 P12
  • Todd Miller Sudo 1.6.8 P2
  • Todd Miller Sudo 1.6.8 P5
  • Todd Miller Sudo 1.6.8 P7
  • Todd Miller Sudo 1.6.8 P8
  • Todd Miller Sudo 1.6.8 P9
  • Todd Miller Sudo 1.6.8p1
  • Todd Miller Sudo 1.6.8p10
  • Todd Miller Sudo 1.6.8p11
  • Todd Miller Sudo 1.6.8p12
  • Todd Miller Sudo 1.6.8p2
  • Todd Miller Sudo 1.6.8p3
  • Todd Miller Sudo 1.6.8p4
  • Todd Miller Sudo 1.6.8p5
  • Todd Miller Sudo 1.6.8p6
  • Todd Miller Sudo 1.6.8p7
  • Todd Miller Sudo 1.6.8p8
  • Todd Miller Sudo 1.6.8p9
  • Todd Miller Sudo 1.6.9
  • Todd Miller Sudo 1.6.9 P17
  • Todd Miller Sudo 1.6.9 P18
  • Todd Miller Sudo 1.6.9 P19
  • Todd Miller Sudo 1.6.9 P20
  • Todd Miller Sudo 1.6.9 P21
  • Todd Miller Sudo 1.6.9 P22
  • Todd Miller Sudo 1.6.9p1
  • Todd Miller Sudo 1.6.9p10
  • Todd Miller Sudo 1.6.9p11
  • Todd Miller Sudo 1.6.9p12
  • Todd Miller Sudo 1.6.9p13
  • Todd Miller Sudo 1.6.9p14
  • Todd Miller Sudo 1.6.9p15
  • Todd Miller Sudo 1.6.9p16
  • Todd Miller Sudo 1.6.9p17
  • Todd Miller Sudo 1.6.9p18
  • Todd Miller Sudo 1.6.9p19
  • Todd Miller Sudo 1.6.9p2
  • Todd Miller Sudo 1.6.9p20
  • Todd Miller Sudo 1.6.9p21
  • Todd Miller Sudo 1.6.9p22
  • Todd Miller Sudo 1.6.9p23
  • Todd Miller Sudo 1.6.9p3
  • Todd Miller Sudo 1.6.9p4
  • Todd Miller Sudo 1.6.9p5
  • Todd Miller Sudo 1.6.9p6
  • Todd Miller Sudo 1.6.9p7
  • Todd Miller Sudo 1.6.9p8
  • Todd Miller Sudo 1.6.9p9
  • Todd Miller Sudo 1.7.0
  • Todd Miller Sudo 1.7.1
  • Todd Miller Sudo 1.7.2
  • Todd Miller Sudo 1.7.2p1
  • Todd Miller Sudo 1.7.2p2
  • Todd Miller Sudo 1.7.2p3
  • Todd Miller Sudo 1.7.2p4
  • Todd Miller Sudo 1.7.2p5
  • Todd Miller Sudo 1.7.2p6
  • Todd Miller Sudo 1.7.2p7
  • Todd Miller Sudo 1.7.3b1
  • Todd Miller Sudo 1.7.4
  • Todd Miller Sudo 1.7.4p1
  • Todd Miller Sudo 1.7.4p2
  • Todd Miller Sudo 1.7.4p3
  • Todd Miller Sudo 1.7.4p4
  • Todd Miller Sudo 1.7.4p5

Reported:

Jan 11, 2010

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