CVE-2011-1752: Null Pointer Dereference
First published: Mon May 30 2011(Updated: )
A NULL pointer dereference flaw was found in the way mod_dav_svn module of the subversion concurrent version control system processed requests submitted against the URL of a baselined resource. A remote attacker could use this flaw to cause the httpd child process to crash. Acknowledgements: Red Hat would like to thank the Apache Subversion project for reporting this issue. Upstream acknowledges Joe Schaefer of Apache Software Foundation as the original reporter.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| CollabNet Subversion | <1.6.17 | |
| Ubuntu Linux | =10.04 | |
| Ubuntu Linux | =10.10 | |
| Ubuntu Linux | =11.04 | |
| Debian GNU/Linux | =5.0 | |
| Debian GNU/Linux | =6.0 | |
| Fedoraproject Fedora | =14 | |
| Fedoraproject Fedora | =15 | |
| Apple iOS and macOS | <10.7.3 | |
| Debian | =5.0 | |
| Debian | =6.0 | |
| Fedora | =15 | |
| Fedora | =14 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=709111
- http://secunia.com/advisories/44633
- http://svn.apache.org/repos/asf/subversion/tags/1.6.17/CHANGES
- http://subversion.apache.org/security/CVE-2011-1752-advisory.txt
- http://www.debian.org/security/2011/dsa-2251
- http://secunia.com/advisories/44681
- http://www.securityfocus.com/bid/48091
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:106
- http://www.redhat.com/support/errata/RHSA-2011-0862.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061913.html
- http://www.securitytracker.com/id?1025617
- http://www.redhat.com/support/errata/RHSA-2011-0861.html
- http://www.ubuntu.com/usn/USN-1144-1
- http://secunia.com/advisories/44888
- http://secunia.com/advisories/44849
- http://secunia.com/advisories/45162
- http://secunia.com/advisories/44879
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062211.html
- http://support.apple.com/kb/HT5130
- http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18922
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=709952
- https://rhn.redhat.com/errata/RHSA-2011-0861.html
- https://rhn.redhat.com/errata/RHSA-2011-0862.html
Frequently Asked Questions
What is the severity of CVE-2011-1752?
CVE-2011-1752 is considered a moderate severity vulnerability due to its potential to crash the httpd child process.
How do I fix CVE-2011-1752?
To fix CVE-2011-1752, upgrade your Apache Subversion to version 1.6.17 or later.
Which versions of software are affected by CVE-2011-1752?
CVE-2011-1752 affects Apache Subversion versions prior to 1.6.17 across various operating systems.
Can CVE-2011-1752 be exploited remotely?
Yes, CVE-2011-1752 can be exploited remotely, allowing attackers to crash the server.
Is there a workaround for CVE-2011-1752?
While upgrading is the best solution, a temporary workaround may include restricting access to vulnerable resources.
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