libarchive up to 3.1.x TAR File archive_read_extract2.c __archive_read_get_extract memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in libarchive up to 3.1.x. The affected element is the function __archive_read_get_extract of the file archive_read_extract2.c of the component TAR File Handler. Executing a manipulation can lead to memory corruption. This vulnerability appears as CVE-2015-8929. The attack requires local access. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in libarchive up to 3.1.x (File Compression Software) and classified as problematic. This vulnerability affects the function __archive_read_get_extract of the file archive_read_extract2.c of the component TAR File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability. CVE summarizes:

Memory leak in the __archive_read_get_extract function in archive_read_extract2.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service via a tar file.

The weakness was presented 09/20/2016 (Website). The advisory is shared for download at lists.opensuse.org. This vulnerability was named CVE-2015-8929 since 06/17/2016. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 93187 (SUSE SLES11 Security Update : bsdtar (SUSE-SU-2016:1939-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169015 (SUSE Enterprise Linux Security Update for bsdtar (SUSE-SU-2016:1939-1)).

Upgrading to version 3.2.0 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (93187) and SecurityFocus (BID 91340†). See VDB-91757, VDB-91758, VDB-91759 and VDB-91760 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 93187
Nessus Name: SUSE SLES11 Security Update : bsdtar (SUSE-SU-2016:1939-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 850584
OpenVAS Name: SuSE Update for libarchive openSUSE-SU-2016:2036-1 (libarchive)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: libarchive 3.2.0

Timelineinfo

06/17/2016 🔍
06/17/2016 +0 days 🔍
08/02/2016 +46 days 🔍
08/29/2016 +27 days 🔍
09/20/2016 +22 days 🔍
09/20/2016 +0 days 🔍
09/21/2016 +1 days 🔍
09/19/2022 +2189 days 🔍

Sourcesinfo

Product: github.com

Advisory: 517
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-8929 (🔍)
GCVE (CVE): GCVE-0-2015-8929
GCVE (VulDB): GCVE-100-91768
SecurityFocus: 91340 - libarchive 'archive_read_extract.c' Information Disclosure Vulnerability

See also: 🔍

Entryinfo

Created: 09/21/2016 12:26
Updated: 09/19/2022 11:14
Changes: 09/21/2016 12:26 (66), 04/21/2019 14:29 (13), 09/19/2022 11:14 (4)
Complete: 🔍
Cache ID: 216::103

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