libarchive 2.2.3 archive_read_support_format_tar.c null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

A vulnerability was found in libarchive 2.2.3 (File Compression Software). It has been rated as problematic. This issue affects some unknown processing of the file archive_read_support_format_tar.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. The summary by CVE is:

archive_read_support_format_tar.c in libarchive before 2.2.4 allows user-assisted remote attackers to cause a denial of service (crash) via (1) an end-of-file condition within a tar header that follows a pax extension header or (2) a malformed pax extension header in an (a) PAX or a (b) TAR archive, which results in a NULL pointer dereference, a different issue than CVE-2007-3644.

The weakness was shared 07/10/2007 by Colin Percival with CERT-FI (Website). It is possible to read the advisory at security.freebsd.org. The identification of this vulnerability is CVE-2007-3645 since 07/09/2007. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 29902 (Debian DSA-1455-1 : libarchive - denial of service), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

Upgrading to version 2.2.3 eliminates this vulnerability. A possible mitigation has been published 7 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (35404) and Tenable (29902). The entries 37795, 37794 and 85969 are related to this item.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 29902
Nessus Name: Debian DSA-1455-1 : libarchive - denial of service
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 60110
OpenVAS Name: Debian Security Advisory DSA 1455-1 (libarchive1)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: libarchive 2.2.3

Timelineinfo

07/09/2007 🔍
07/10/2007 +1 days 🔍
07/12/2007 +1 days 🔍
07/12/2007 +0 days 🔍
07/12/2007 +0 days 🔍
07/13/2007 +1 days 🔍
07/13/2007 +0 days 🔍
07/15/2007 +1 days 🔍
08/20/2007 +36 days 🔍
01/08/2008 +141 days 🔍
01/10/2008 +2 days 🔍
03/15/2015 +2621 days 🔍
07/23/2019 +1591 days 🔍

Sourcesinfo

Advisory: security.freebsd.org
Researcher: Colin Percival
Organization: CERT-FI
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-3645 (🔍)
OVAL: 🔍

X-Force: 35404
SecurityTracker: 1018379
Vulnerability Center: 15891 - Libarchive before 2.2.4 Allows User-Assisted Remote Attackers to Cause DoS, Medium
SecurityFocus: 24885 - 'libarchive' Multiple Remote Vulnerabilities
Secunia: 26050
OSVDB: 38093 - libarchive archive_read_support_format_tar.c PAX Archive Malformed PAX Extension Header DoS
Vupen: ADV-2007-2521

See also: 🔍

Entryinfo

Created: 03/15/2015 15:58
Updated: 07/23/2019 16:20
Changes: 03/15/2015 15:58 (80), 07/23/2019 16:20 (8)
Complete: 🔍

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