CVE-2015-8920
First published: Tue Sep 20 2016(Updated: )
The _ar_read_header function in archive_read_support_format_ar.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (out-of-bounds stack read) via a crafted ar file.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| SUSE Linux Enterprise Software Development Kit | =12.0-sp1 | |
| SUSE Linux Enterprise Desktop | =12.0-sp1 | |
| SUSE Linux Enterprise Server | =12.0-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://rhn.redhat.com/errata/RHSA-2016-1850.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/91301
- 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/511
- https://security.gentoo.org/glsa/201701-03
Frequently Asked Questions
What is the severity of CVE-2015-8920?
CVE-2015-8920 has a severity rating that indicates it can lead to a denial of service due to out-of-bounds stack read.
How do I fix CVE-2015-8920?
To fix CVE-2015-8920, upgrade libarchive to version 3.2.0 or later.
Which versions of software are affected by CVE-2015-8920?
CVE-2015-8920 affects libarchive versions before 3.2.0 and various distributions including SUSE and Ubuntu with specified versions.
What type of vulnerability is CVE-2015-8920?
CVE-2015-8920 is a vulnerability that allows for remote denial of service through crafted archive files.
Is CVE-2015-8920 exploitable remotely?
Yes, CVE-2015-8920 can be exploited remotely by providing a specially crafted ar file to the affected systems.
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- canonical/suse linux enterprise desktop
- version/suse linux enterprise desktop/12.0-sp1
- canonical/suse linux enterprise server
- version/suse linux enterprise server/12.0-sp1
- vendor/canonical
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- version/ubuntu/14.04
- version/ubuntu/15.10
- version/ubuntu/16.04
- vendor/libarchive
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- version/libarchive/3.1.901a