Novell openSUSE 11.4/12.2/12.3 Certificates 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, which was classified as critical, has been found in Novell openSUSE 11.4/12.2/12.3. The affected element is an unknown function of the component Certificates. The manipulation leads to input validation. This vulnerability is uniquely identified as CVE-2013-2191. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Novell openSUSE 11.4/12.2/12.3 (Operating System). It has been rated as critical. This issue affects an unknown functionality of the component Certificates. The manipulation with an unknown input 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. The summary by CVE is:

python-bugzilla before 0.9.0 does not validate X.509 certificates, which allows man-in-the-middle attackers to spoof Bugzilla servers via a crafted certificate.

The weakness was disclosed 02/07/2014 by Florian Weimer with Red Hat as Bug a782282 as not defined bug report (Bugzilla). It is possible to read the advisory at git.fedorahosted.org. The identification of this vulnerability is CVE-2013-2191 since 02/19/2013. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 75076 (openSUSE Security Update : python-bugzilla (openSUSE-SU-2013:1154-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 166072 (SUSE Security Update for python-bugzilla (openSUSE-SU-2013:1155-1)).

Upgrading to version 12.3 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.fedorahosted.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (85129), Tenable (75076), SecurityFocus (BID 60687†) and Vulnerability Center (SBV-40367†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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: 75076
Nessus Name: openSUSE Security Update : python-bugzilla (openSUSE-SU-2013:1154-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 866057
OpenVAS Name: Fedora Update for python-bugzilla FEDORA-2013-11397
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: openSUSE 12.3
Patch: git.fedorahosted.org

Timelineinfo

02/19/2013 🔍
06/19/2013 +120 days 🔍
06/19/2013 +0 days 🔍
07/08/2013 +19 days 🔍
02/07/2014 +214 days 🔍
02/07/2014 +0 days 🔍
06/13/2014 +126 days 🔍
03/24/2015 +284 days 🔍
12/27/2024 +3566 days 🔍

Sourcesinfo

Vendor: novell.com

Advisory: Bug a782282
Researcher: Florian Weimer
Organization: Red Hat
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-2191 (🔍)
GCVE (CVE): GCVE-0-2013-2191
GCVE (VulDB): GCVE-100-66347
X-Force: 85129
SecurityFocus: 60687 - python-bugzilla CVE-2013-2191 SSL Certificate Validation Security Bypass Vulnerability
Vulnerability Center: 40367 - Python-Bugzilla Before 0.9.0 Improper SSL Certificate Validation Allows Identity Spoofing via a MITM Attack, Medium

Entryinfo

Created: 03/24/2015 15:54
Updated: 12/27/2024 05:52
Changes: 03/24/2015 15:54 (71), 05/05/2017 08:47 (6), 02/01/2022 14:17 (3), 12/27/2024 05:52 (20)
Complete: 🔍
Cache ID: 216::103

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