PT-2011-3351 · Citadel · Citadel

Published 2011-06-21 · Updated 2011-10-26 · CVE-2011-1756

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Name of the Vulnerable Software and Affected Versions Citadel versions 7.86 and earlier

Description The issue is related to improper detection of recursion during entity expansion in XML documents. This allows remote attackers to cause a denial of service by consuming memory and CPU via a crafted XML document with a large number of nested entity references.

Recommendations For Citadel versions 7.86 and earlier, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-399

Related Identifiers

CVE-2011-1756

DSA-2250-1

Affected Products

Citadel

References · 12

• https://cve.org/CVERecord?id=CVE-2011-1756 · Security Note
• http://secunia.com/advisories/44788 · Vendor Advisory
• http://code.citadel.org/cgit.cgi/git.citadel.org/commit/?id=27c991cc2059f5530d3d4e9689dc976b745f5b0c · Patch
• https://ubuntu.com/security/CVE-2011-1756 · Vendor Advisory
• http://security.debian.org/debian-security/pool/updates/main/c/citadel/citadel_7.83-2squeeze2.diff.gz · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2011-1756 · Vendor Advisory
• http://code.citadel.org/cgit.cgi/git.citadel.org/commit/?id=95040add546a705cc2d1d8f16293141f9f9845a6 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2011-1756 · Security Note
• http://debian.org/security/2011/dsa-2250 · Vendor Advisory
• http://packages.debian.org/changelogs/pool/main/c/citadel/citadel_7.83-2squeeze2/changelog · Note
• http://securityfocus.com/bid/48071 · Note
• http://packages.debian.org/changelogs/pool/main/c/citadel/citadel_7.37-8+lenny1/changelog · Note