GnuPG up to 2.0.21 Compressed Packet Parser input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

A vulnerability, which was classified as critical, was found in GnuPG. Affected is some unknown functionality of the component Compressed Packet Parser. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. CVE summarizes:

The compressed packet parser in GnuPG 1.4.x before 1.4.15 and 2.0.x before 2.0.22 allows remote attackers to cause a denial of service (infinite recursion) via a crafted OpenPGP message.

The weakness was shared 10/05/2013 by Taylor R. Campbell as not defined mailinglist post (Maillist). The advisory is available at lists.gnu.org. The vendor cooperated in the coordination of the public release. This vulnerability is traded as CVE-2013-4402 since 06/12/2013. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 70639 (Fedora 18 : gnupg2-2.0.22-1.fc18 / libgpg-error-1.11-1.fc18 (2013-18814)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350508 (Amazon Linux Security Advisory for gnupg: ALAS-2013-236).

Upgrading to version 1.4.15 or 2.0.22 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (87729) and Tenable (70639). Further details are available at net-security.org. The entry 10308 is related to this item.

Productinfo

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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: 7.5
VulDB Meta Temp Score: 7.2

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

CVSSv2info

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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

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Current Price Estimation: 🔍

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Nessus ID: 70639
Nessus Name: Fedora 18 : gnupg2-2.0.22-1.fc18 / libgpg-error-1.11-1.fc18 (2013-18814)
Nessus File: 🔍
Nessus Risk: 🔍
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Nessus Port: 🔍

OpenVAS ID: 892773
OpenVAS Name: Debian Security Advisory DSA 2773-1 (gnupg - several vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: GnuPG 1.4.15/2.0.22

Timelineinfo

06/12/2013 🔍
10/05/2013 +114 days 🔍
10/05/2013 +0 days 🔍
10/05/2013 +0 days 🔍
10/05/2013 +0 days 🔍
10/07/2013 +2 days 🔍
10/09/2013 +2 days 🔍
10/17/2013 +8 days 🔍
10/27/2013 +10 days 🔍
10/28/2013 +1 days 🔍
05/26/2021 +2767 days 🔍

Sourcesinfo

Advisory: lists.gnu.org
Researcher: Taylor R. Campbell
Status: Not defined
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-4402 (🔍)
OVAL: 🔍

X-Force: 87729
Vulnerability Center: 41985 - GnuPG Before 1.4.15 and 2.0 Through 2.0.21 Remote Denial of Service via Maliciously Crafted Packets, Medium
SecurityFocus: 62857
Secunia: 55071 - GnuPG Compressed Packet Parser Denial of Service Vulnerability, Less Critical
OSVDB: 98164

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 10/09/2013 10:43
Updated: 05/26/2021 10:23
Changes: 10/09/2013 10:43 (79), 08/09/2019 15:36 (3), 05/26/2021 10:18 (4), 05/26/2021 10:23 (1)
Complete: 🔍
Committer: olku

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