Resource management error in jabberd2 - CVE-2011-1755
Published: June 21, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU44936
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2011-1755
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
jabberd2 before 2.2.14 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.
Affected software
jabberd2
Fedora
jabberd
Fedora
jabberd
How to mitigate CVE-2011-1755
Install update from vendor's website.
jabberd - addressed in versions 2.2.11-3.el5, 2.2.14-1.el6
External References
- http://codex.xiaoka.com/svn/jabberd2/tags/jabberd-2.2.14/ChangeLog
- http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061341.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061458.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061482.html
- http://secunia.com/advisories/44787
- http://secunia.com/advisories/44957
- http://secunia.com/advisories/45112
- http://support.apple.com/kb/HT5002
- http://www.mail-archive.com/jabberd2@lists.xiaoka.com/msg01655.html
- http://www.redhat.com/support/errata/RHSA-2011-0881.html
- http://www.redhat.com/support/errata/RHSA-2011-0882.html
- http://www.securityfocus.com/bid/48250
- https://bugzilla.redhat.com/show_bug.cgi?id=700390
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67770
- https://hermes.opensuse.org/messages/9197650