CVE-2016-2168: Null Pointer Dereference
First published: Thu May 05 2016(Updated: )
The req_check_access function in the mod_authz_svn module in the httpd server in Apache Subversion before 1.8.16 and 1.9.x before 1.9.4 allows remote authenticated users to cause a denial of service (NULL pointer dereference and crash) via a crafted header in a (1) MOVE or (2) COPY request, involving an authorization check.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Subversion | <=1.8.15 | |
| Subversion | =1.9.0 | |
| Subversion | =1.9.1 | |
| Subversion | =1.9.2 | |
| Subversion | =1.9.3 |
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Reference Links
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184545.html
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00043.html
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00044.html
- http://mail-archives.apache.org/mod_mbox/subversion-announce/201604.mbox/%3CCAP_GPNgJet+7_MAhomFVOXPgLtewcUw9w=k9zdPCkq5tvPxVMA@mail.gmail.com%3E
- http://mail-archives.apache.org/mod_mbox/subversion-announce/201604.mbox/%3CCAP_GPNgfn1iKueW51EpmXzXi_URNfGNofZSgOyW1_jnSeNm5DQ@mail.gmail.com%3E
- http://subversion.apache.org/security/CVE-2016-2168-advisory.txt
- http://www.debian.org/security/2016/dsa-3561
- http://www.securityfocus.com/bid/89320
- http://www.securitytracker.com/id/1035707
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.417496
- https://security.gentoo.org/glsa/201610-05
- https://www.oracle.com/security-alerts/cpuoct2020.html
- http://mail-archives.apache.org/mod_mbox/subversion-announce/201604.mbox/%3CCAP_GPNgJet+7_MAhomFVOXPgLtewcUw9w=k9zdPCkq5tvPxVMA%40mail.gmail.com%3E
- http://mail-archives.apache.org/mod_mbox/subversion-announce/201604.mbox/%3CCAP_GPNgfn1iKueW51EpmXzXi_URNfGNofZSgOyW1_jnSeNm5DQ%40mail.gmail.com%3E
Frequently Asked Questions
What is the severity of CVE-2016-2168?
CVE-2016-2168 has a moderate severity level due to the potential for a denial of service.
How do I fix CVE-2016-2168?
To fix CVE-2016-2168, you should update your Apache Subversion to version 1.8.16 or later or 1.9.4 or later.
What impact does CVE-2016-2168 have on my system?
CVE-2016-2168 can cause a denial of service by crashing the server due to a NULL pointer dereference.
Who is affected by CVE-2016-2168?
Users of Apache Subversion versions prior to 1.8.16 and all 1.9.x versions before 1.9.4 are affected by CVE-2016-2168.
What types of requests can trigger CVE-2016-2168?
CVE-2016-2168 can be triggered by crafted header information in MOVE or COPY requests.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/last-modified-date
- agent/severity
- agent/references
- agent/author
- agent/first-publish-date
- agent/description
- agent/event
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/apache
- canonical/subversion
- version/subversion/1.8.15
- version/subversion/1.9.0
- version/subversion/1.9.1
- version/subversion/1.9.2
- version/subversion/1.9.3