CVE-2015-8934
First published: Tue Sep 20 2016(Updated: )
The copy_from_lzss_window function in archive_read_support_format_rar.c in libarchive 3.2.0 and earlier allows remote attackers to cause a denial of service (out-of-bounds heap read) via a crafted rar file.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| SUSE Linux Enterprise Desktop with Beagle | =12-sp1 | |
| SUSE Linux Enterprise Server | =12-sp1 | |
| SUSE Linux Enterprise Software Development Kit | =12-sp1 | |
| Ubuntu | =12.04 | |
| Ubuntu | =14.04 | |
| Ubuntu | =15.10 | |
| Ubuntu | =16.04 | |
| libarchive | <=3.1.901a |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.html
- 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/bulletinjul2016-3090568.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://www.securityfocus.com/bid/91409
- http://www.ubuntu.com/usn/USN-3033-1
- https://blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.html
- https://github.com/libarchive/libarchive/issues/521
- https://security.gentoo.org/glsa/201701-03
Frequently Asked Questions
What is the severity of CVE-2015-8934?
CVE-2015-8934 is classified as a moderate severity vulnerability due to its potential to cause denial of service through out-of-bounds heap reads.
How do I fix CVE-2015-8934?
To fix CVE-2015-8934, upgrade to libarchive version 3.2.1 or later, which contains the necessary patches.
Which software is affected by CVE-2015-8934?
CVE-2015-8934 affects multiple versions of SUSE Linux Enterprise Desktop, SUSE Linux Enterprise Server, and various Ubuntu Linux versions.
What kind of attack does CVE-2015-8934 facilitate?
CVE-2015-8934 allows remote attackers to exploit crafted RAR files, leading to a denial of service.
Is CVE-2015-8934 exploitable in all environments?
CVE-2015-8934 is exploitable primarily in systems running the affected versions of libarchive, especially when processing untrusted RAR files.
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- vendor/suse
- canonical/suse linux enterprise desktop with beagle
- version/suse linux enterprise desktop with beagle/12-sp1
- canonical/suse linux enterprise server
- version/suse linux enterprise server/12-sp1
- canonical/suse linux enterprise software development kit
- version/suse linux enterprise software development kit/12-sp1
- vendor/canonical
- canonical/ubuntu
- version/ubuntu/12.04
- version/ubuntu/14.04
- version/ubuntu/15.10
- version/ubuntu/16.04
- vendor/libarchive
- canonical/libarchive
- version/libarchive/3.1.901a