PolarSSL up to 1.2.7 x509parse_crt input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in PolarSSL up to 1.2.7. This issue affects the function x509parse_crt. Executing a manipulation can lead to input validation. This vulnerability is registered as CVE-2013-4623. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in PolarSSL up to 1.2.7. This vulnerability affects the function x509parse_crt. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. CVE summarizes:

The x509parse_crt function in x509.h in PolarSSL 1.1.x before 1.1.7 and 1.2.x before 1.2.8 does not properly parse certificate messages during the SSL/TLS handshake, which allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a certificate message that contains a PEM encoded certificate.

The weakness was published 09/30/2013 (Website). The advisory is shared for download at polarssl.org. This vulnerability was named CVE-2013-4623 since 06/19/2013. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 70054 (Fedora 20 : polarssl-1.2.8-1.fc20 (2013-16258)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks.

Upgrading to version 1.2.4 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (70054), SecurityFocus (BID 61764†), Secunia (SA55084†) and Vulnerability Center (SBV-41139†). Similar entries are available at VDB-65362 and VDB-65206. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 70054
Nessus Name: Fedora 20 : polarssl-1.2.8-1.fc20 (2013-16258)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 892782
OpenVAS Name: Debian Security Advisory DSA 2782-1 (polarssl - several vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PolarSSL 1.2.4
Patch: github.com

Timelineinfo

06/19/2013 🔍
06/21/2013 +2 days 🔍
08/14/2013 +54 days 🔍
08/20/2013 +6 days 🔍
09/23/2013 +34 days 🔍
09/30/2013 +7 days 🔍
09/30/2013 +0 days 🔍
03/24/2015 +540 days 🔍
01/08/2022 +2482 days 🔍

Sourcesinfo

Product: github.com

Advisory: dsa-2782
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-4623 (🔍)
GCVE (CVE): GCVE-0-2013-4623
GCVE (VulDB): GCVE-100-65080

OVAL: 🔍

SecurityFocus: 61764 - PolarSSL Certificate Message Remote Denial of Service Vulnerability
Secunia: 55084
Vulnerability Center: 41139 - PolarSSL <1.1.7, 1.2 - 1.2.7 Remote DOS Vulnerability by Parsing PEM Encoded Certificates, Medium

See also: 🔍

Entryinfo

Created: 03/24/2015 15:54
Updated: 01/08/2022 07:46
Changes: 03/24/2015 15:54 (66), 05/09/2017 10:20 (5), 01/08/2022 07:35 (4), 01/08/2022 07:40 (1), 01/08/2022 07:46 (1)
Complete: 🔍
Cache ID: 216:6BE:103

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