ELOG el_submit() function format string

elog-elsubmit-format-string (29987) The risk level is classified as HighHigh Risk

Description:

ELOG could allow a remote attacker to execute arbitrary commands on the system, caused by a format string vulnerability in the el_submit() function in elogd.c when handling attachments. By sending a specially-crafted attachment filename, a remote attacker could exploit this vulnerability to execute arbitrary commands on the vulnerable system or cause the application to crash.

Platforms Affected:

  • Debian, Debian Linux 3.1
  • Stefan Ritt, Elog Web Logbook 2.6.2 and prior

Remedy:

For Debian GNU/Linux:
Refer to DSA-1242-1 for patch, upgrade, or suggested workaround information. See References.

Consequences:

Gain Access

References:

  • Debian Bug report logs - #392016, elog: Needs a security audit at http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=392016.
  • ELOG Web site, The ELOG Home Page at http://midas.psi.ch/elog/index.html.
  • BID-20876: ELOG EL_Submit Function Remote Format String Vulnerability
  • CVE-2006-5790: Multiple format string vulnerabilities in elogd.c in ELOG 2.6.2 and earlier allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via (1) an entry with an attachment whose name contains format string specifiers (el_submit function), and possibly other vectors in the (2) receive_config, (3) show_rss_feed, (4) show_elog_list, (5) show_logbook_node, and (6) server_loop functions.
  • DSA-1242: elog -- several vulnerabilities
  • SA22638: ELOG Multiple Vulnerabilities
  • VUPEN/ADV-2006-4315: ELOG Remote Format String and Client-Side Cross Site Scripting Vulnerabilities

Reported:

Oct 31, 2006

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