LPRng html2ps print filter could allow remote command execution

lprng-html2ps-command-execution (10526) The risk level is classified as HighHigh Risk

Description:

The LPRng print spooler daemon included with multiple Linux distributions could allow a remote attacker to execute commands on the system, caused by a vulnerability in the html2ps print filter. A remote attacker could exploit this vulnerability to execute arbitrary commands on the system with the privileges of the lp user.


Consequences:

Gain Access

Remedy:

For SuSE Linux:
Upgrade to the latest html2ps and lpdfilter packages, as listed below. Refer to SuSE Security Announcement SuSE-SA:2002:040 for more information. See References.

SuSE 8.1 (Intel): html2ps-1.0b3-458 or later and lpdfilter-0.43-63 or later
SuSE 8.0 (Intel): html2ps-1.0b3-456 or later and lpdfilter-0.42-155 or later
SuSE 7.3 (Intel): html2ps-1.0b3-457 or later
SuSE 7.2 (Intel): html2ps-1.0b1-432 or later
SuSE 7.1 (Intel): html2ps-1.0b1-431 or later
SuSE 7.0 (Intel): html2ps-1.0b1-428 or later
SuSE 7.3 (Sparc): html2ps-1.0b3-88 or later
SuSE 7.0 (AXP Alpha): html2ps-1.0b1-328 or later
SuSE 7.1 (PPC Power PC): html2ps-1.0b1-303 or later
SuSE 7.0 (PPC Power PC): html2ps-1.0b1-302 or later

For Debian GNU/Linux:
Upgrade to the latest html2ps package, as listed below. Refer to DSA-192-1 for more information. See References.

Debian 2.2: html2ps_1.0b1-8.2 or later

Debian 3.0: html2ps_1.0b3-1.2 or later

For other distributions:
Contact your vendor for upgrade or patch information.

References:

  • LPRng Web site: LPRng.
  • BID-6079: LPRNG html2ps Remote Command Execution Vulnerability
  • CVE-2002-1275: Unknown vulnerability in html2ps HTML/PostScript converter 1.0, when used within LPRng, allows remote attackers to execute arbitrary code via unsanitized input.
  • DSA-192: html2ps -- arbitrary code execution
  • OSVDB ID: 3813: IRIX html2ps Arbitrary Code Execution

Platforms Affected:

  • Debian Debian Linux 2.2
  • Debian Debian Linux 3.0
  • Patrick Powell LPRng
  • SUSE SuSE Linux 7.0
  • SUSE SuSE Linux 7.1
  • SUSE SuSE Linux 7.2
  • SUSE SuSE Linux 7.3
  • SUSE SuSE Linux 8.0
  • SUSE SuSE Linux 8.1

Reported:

Oct 31, 2002

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