Vulnerability Details CVE-2011-1756
modules/xmpp/serv_xmpp.c in Citadel 7.86 and earlier does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.015
EPSS Ranking 79.9%
CVSS Severity
CVSS v2 Score 5.0
References
- http://code.citadel.org/cgit.cgi/git.citadel.org/commit/?id=27c991cc2059f5530d3d4e9689dc976b745f5b0c
- http://code.citadel.org/cgit.cgi/git.citadel.org/commit/?id=95040add546a705cc2d1d8f16293141f9f9845a6
- http://packages.debian.org/changelogs/pool/main/c/citadel/citadel_7.37-8+lenny1/changelog
- http://packages.debian.org/changelogs/pool/main/c/citadel/citadel_7.83-2squeeze2/changelog
- http://secunia.com/advisories/44788
- http://security.debian.org/debian-security/pool/updates/main/c/citadel/citadel_7.83-2squeeze2.diff.gz
- http://www.debian.org/security/2011/dsa-2250
- http://www.securityfocus.com/bid/48071
- http://code.citadel.org/cgit.cgi/git.citadel.org/commit/?id=27c991cc2059f5530d3d4e9689dc976b745f5b0c
- http://code.citadel.org/cgit.cgi/git.citadel.org/commit/?id=95040add546a705cc2d1d8f16293141f9f9845a6
- http://packages.debian.org/changelogs/pool/main/c/citadel/citadel_7.37-8+lenny1/changelog
- http://packages.debian.org/changelogs/pool/main/c/citadel/citadel_7.83-2squeeze2/changelog
- http://secunia.com/advisories/44788
- http://security.debian.org/debian-security/pool/updates/main/c/citadel/citadel_7.83-2squeeze2.diff.gz
- http://www.debian.org/security/2011/dsa-2250
- http://www.securityfocus.com/bid/48071
Products affected by CVE-2011-1756
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cpe:2.3:a:citadel:citadel:*
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cpe:2.3:a:citadel:citadel:7.11
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cpe:2.3:a:citadel:citadel:7.50
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cpe:2.3:a:citadel:citadel:7.60
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cpe:2.3:a:citadel:citadel:7.80
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cpe:2.3:a:citadel:citadel:7.81
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cpe:2.3:a:citadel:citadel:7.82
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cpe:2.3:a:citadel:citadel:7.84