libarchive up to 3.2.0 Sandbox Archive File input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

A vulnerability was found in libarchive up to 3.2.0 (File Compression Software). It has been rated as critical. Affected by this issue is an unknown function of the component Sandbox. The manipulation as part of a Archive File leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is integrity, and availability. CVE summarizes:

The sandboxing code in libarchive 3.2.0 and earlier mishandles hardlink archive entries of non-zero data size, which might allow remote attackers to write to arbitrary files via a crafted archive file.

The weakness was released 09/21/2016 with Insomnia Security (Website). The advisory is available at rhn.redhat.com. This vulnerability is handled as CVE-2016-5418 since 06/10/2016. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 95367 (SUSE SLED12 / SLES12 Security Update : libarchive (SUSE-SU-2016:2911-1)), 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 236088 (Red Hat Update for libarchive (RHSA-2016:1850)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (95367). Entries connected to this vulnerability are available at 90247, 90720, 91353 and 91755.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 95367
Nessus Name: SUSE SLED12 / SLES12 Security Update : libarchive (SUSE-SU-2016:2911-1)
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: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: github.com

Timelineinfo

06/10/2016 🔍
09/21/2016 +103 days 🔍
09/21/2016 +0 days 🔍
09/21/2016 +0 days 🔍
09/22/2016 +1 days 🔍
11/25/2016 +64 days 🔍
11/28/2016 +3 days 🔍
09/19/2022 +2121 days 🔍

Sourcesinfo

Advisory: RHSA-2016:1852
Organization: Insomnia Security
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-5418 (🔍)
OVAL: 🔍

SecurityFocus: 93165 - libarchive CVE-2016-5418 Arbitrary File Write Vulnerability

See also: 🔍

Entryinfo

Created: 09/22/2016 09:23
Updated: 09/19/2022 14:31
Changes: 09/22/2016 09:23 (66), 04/22/2019 18:49 (15), 09/19/2022 14:26 (4), 09/19/2022 14:31 (1)
Complete: 🔍

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