Gld cnf.c file format string attack

gld-cnfc-format-string (20067) The risk level is classified as HighHigh Risk

Description:

Gld is vulnerable to a format string attack caused by improper validation of user-supplied input in the cnf.c file. A remote attacker could send specially-crafted input containing format specifiers to execute arbitrary code on the system with root privileges.


Consequences:

Gain Privileges

Remedy:

For Gentoo Linux:
Refer to Gentoo Linux Security Announcement GLSA 2005-04-10 for patch, upgrade, or suggested workaround information. See References.

References:

  • Gld Web site: Gld.
  • BID-13133: Salim Gasmi GLD Postfix Greylisting Daemon Format String Vulnerability
  • CVE-2005-1100: Format string vulnerability in the ErrorLog function in cnf.c in Greylisting daemon (GLD) 1.3 and 1.4 allows remote attackers to execute arbitrary code via format string specifiers in data that is passed directly to syslog.
  • GLSA-200504-10: Gld: Remote execution of arbitrary code
  • OSVDB ID: 15493: GLD gld.conf Format String
  • SA14941: Gld Multiple Vulnerabilities
  • SECTRACK ID: 1013678: Gld Format String Flaws and Buffer Overflows Let Remote Users Execute Arbitrary Code With Root Privileges

Platforms Affected:

  • Gentoo Linux
  • Gld Gld 1.3
  • Gld Gld 1.4

Reported:

Apr 12, 2005

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