CVE-2015-8916: Null Pointer Dereference
First published: Tue Sep 20 2016(Updated: )
bsdtar in libarchive before 3.2.0 returns a success code without filling the entry when the header is a "split file in multivolume RAR," which allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted rar file.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/libarchive | 3.4.3-2+deb11u1 3.6.2-1+deb12u1 3.7.4-1 | |
| Ubuntu | =12.04 | |
| Ubuntu | =14.04 | |
| Ubuntu | =15.10 | |
| Ubuntu | =16.04 | |
| Debian | =7.0 | |
| Debian | =8.0 | |
| Oracle Libarchive | <=3.1.901a |
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Reference Links
- https://github.com/libarchive/libarchive/issues/504
- https://github.com/libarchive/libarchive/commit/b2e2abb
- https://security-tracker.debian.org/tracker/CVE-2015-8916
- http://rhn.redhat.com/errata/RHSA-2016-1844.html
- http://www.debian.org/security/2016/dsa-3657
- http://www.openwall.com/lists/oss-security/2016/06/17/2
- http://www.openwall.com/lists/oss-security/2016/06/17/5
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://www.securityfocus.com/bid/91296
- http://www.ubuntu.com/usn/USN-3033-1
- https://blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.html
- https://security.gentoo.org/glsa/201701-03
Frequently Asked Questions
What is the severity of CVE-2015-8916?
CVE-2015-8916 has a severity rating that indicates a potential denial of service that may cause application crashes.
How do I fix CVE-2015-8916?
To fix CVE-2015-8916, update libarchive to version 3.2.0 or later.
What types of attacks can exploit CVE-2015-8916?
CVE-2015-8916 can be exploited through crafted RAR files that can lead to a NULL pointer dereference.
Which software versions are vulnerable to CVE-2015-8916?
Versions of libarchive prior to 3.2.0, including 3.1.901a and earlier, are vulnerable to CVE-2015-8916.
Is CVE-2015-8916 present in Debian or Ubuntu systems?
Yes, CVE-2015-8916 affects specific versions of Debian and Ubuntu systems that utilize vulnerable libarchive packages.
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- agent/severity
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- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/first-publish-date
- agent/weakness
- agent/event
- collector/security-tracker-debian
- source/Debian
- agent/software-canonical-lookup
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- package-manager/debian
- vendor/canonical
- canonical/ubuntu
- version/ubuntu/12.04
- version/ubuntu/14.04
- version/ubuntu/15.10
- version/ubuntu/16.04
- vendor/debian
- canonical/debian
- version/debian/7.0
- version/debian/8.0
- vendor/libarchive
- canonical/oracle libarchive
- version/oracle libarchive/3.1.901a