libarchive up to 3.1.x mtree File archive_read_support_format_mtree.c get_time_t_max/get_time_t_min integer overflow

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7.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in libarchive up to 3.1.x. This affects the function get_time_t_max/get_time_t_min of the file archive_read_support_format_mtree.c of the component mtree File Handler. The manipulation results in integer overflow. This vulnerability is known as CVE-2015-8931. Attacking locally is a requirement. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in libarchive up to 3.1.x (File Compression Software). It has been classified as critical. Affected is the function get_time_t_max/get_time_t_min of the file archive_read_support_format_mtree.c of the component mtree File Handler. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Multiple integer overflows in the (1) get_time_t_max and (2) get_time_t_min functions in archive_read_support_format_mtree.c in libarchive before 3.2.0 allow remote attackers to have unspecified impact via a crafted mtree file, which triggers undefined behavior.

The weakness was published 09/20/2016 (Website). The advisory is available at lists.opensuse.org. This vulnerability is traded as CVE-2015-8931 since 06/17/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 92312 (Ubuntu 12.04 LTS / 14.04 LTS / 15.10 / 16.04 LTS : libarchive vulnerabilities (USN-3033-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196532 (Ubuntu Security Notification for Libarchive Vulnerabilities (USN-3033-1)).

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 (92312) and SecurityFocus (BID 91338†). Similar entries are available at VDB-90720, VDB-91353, VDB-91755 and VDB-91756. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
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: 92312
Nessus Name: Ubuntu 12.04 LTS / 14.04 LTS / 15.10 / 16.04 LTS : libarchive vulnerabilities (USN-3033-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 15621
OpenVAS Name: Amazon Linux Local Check: alas-2016-743
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 🔍
07/14/2016 +27 days 🔍
07/15/2016 +1 days 🔍
09/20/2016 +67 days 🔍
09/20/2016 +0 days 🔍
09/21/2016 +1 days 🔍
09/19/2022 +2189 days 🔍

Sourcesinfo

Advisory: USN-3033-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-8931 (🔍)
GCVE (CVE): GCVE-0-2015-8931
GCVE (VulDB): GCVE-100-91770

OVAL: 🔍

SecurityFocus: 91338 - libarchive CVE-2015-8931 Integer Overflow Vulnerability

See also: 🔍

Entryinfo

Created: 09/21/2016 12:26
Updated: 09/19/2022 11:44
Changes: 09/21/2016 12:26 (68), 04/21/2019 14:35 (13), 09/19/2022 11:36 (3), 09/19/2022 11:44 (1)
Complete: 🔍
Cache ID: 216::103

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