libarchive up to 3.2.0 RAR File archive_read_support_format_rar.c copy_from_lzss_window out-of-bounds

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

Summaryinfo

A vulnerability has been found in libarchive up to 3.2.0 and classified as problematic. Affected by this vulnerability is the function copy_from_lzss_window of the file archive_read_support_format_rar.c of the component RAR File Handler. Performing a manipulation results in out-of-bounds. This vulnerability was named CVE-2015-8934. The attack needs to be approached locally. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in libarchive up to 3.2.0 (File Compression Software). This affects the function copy_from_lzss_window of the file archive_read_support_format_rar.c of the component RAR File Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on availability. The summary by CVE is:

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.

The weakness was presented 09/20/2016 (Website). The advisory is shared at lists.opensuse.org. This vulnerability is uniquely identified as CVE-2015-8934 since 06/17/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

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 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 91409†). See VDB-80763, VDB-88027, VDB-90422 and VDB-90620 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Name

Version

License

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: Out-of-bounds
CWE: CWE-125 / 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: 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: 🔍

Timelineinfo

06/17/2016 🔍
06/23/2016 +6 days 🔍
07/14/2016 +21 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-2015-8934 (🔍)
GCVE (CVE): GCVE-0-2015-8934
GCVE (VulDB): GCVE-100-91773

OVAL: 🔍

SecurityFocus: 91409 - Libarchive CVE-2015-8934 Local Heap Buffer Overflow Vulnerability

See also: 🔍

Entryinfo

Created: 09/21/2016 12:26
Updated: 09/19/2022 12:16
Changes: 09/21/2016 12:26 (65), 04/21/2019 14:54 (14), 09/19/2022 12:08 (4), 09/19/2022 12:16 (1)
Complete: 🔍
Cache ID: 216::103

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