ELOG non-existent files cross-site scripting

elog-nonexistent-files-xss (29986) The risk level is classified as MediumMedium Risk

Description:

ELOG is vulnerable to cross-site scripting, caused by improper validation of user-supplied input when requesting non-existent files to download. A remote attacker could exploit this vulnerability using an unspecified parameter in a specially-crafted URL to execute script in a victim's Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.

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-20881: ELOG Nonexistent File Download Cross-Site Scripting Vulnerability
  • BID-20882: ELOG Multiple Cross-Site Scripting Vulnerabilities
  • CVE-2006-5791: Multiple cross-site scripting (XSS) vulnerabilities in elogd.c in ELOG 2.6.2 and earlier allow remote attackers to inject arbitrary HTML or web script via (1) the filename for downloading, which is not quoted in an error message by the send_file_direct function, and (2) the Type or Category values in a New entry, which is not properly handled in an error message by the submit_elog function.
  • DSA-1242: elog -- several vulnerabilities
  • FrSIRT/ADV-2006-4315: ELOG Remote Format String and Client-Side Cross Site Scripting Vulnerabilities
  • SA22638: ELOG Multiple Vulnerabilities

Reported:

Oct 31, 2006

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