ELinks 0.12 http_negotiate_create_context improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability was found in ELinks 0.12. It has been declared as problematic. The affected element is the function http_negotiate_create_context. The manipulation results in improper authentication. This vulnerability is known as CVE-2012-4545. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in ELinks 0.12. Affected is the function http_negotiate_create_context. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The http_negotiate_create_context function in protocol/http/http_negotiate.c in ELinks 0.12 before 0.12pre6, when using HTTP Negotiate or GSS-Negotiate authentication, delegates user credentials through GSSAPI, which allows remote servers to authenticate as the client via the delegated credentials.

The weakness was published 01/02/2013 (Website). The advisory is shared for download at debian.org. This vulnerability is traded as CVE-2012-4545 since 08/21/2012. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 68729 (Oracle Linux 5 / 6 : elinks (ELSA-2013-0250)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120868 (Red Hat Update for ELinks (RHSA-2013:0250)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (80882), Tenable (68729), SecurityFocus (BID 57065†), Secunia (SA51569†) and Vulnerability Center (SBV-37907†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.6
VulDB Temp Score: 5.6
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: Improper authentication
CWE: CWE-287
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: 68729
Nessus Name: Oracle Linux 5 / 6 : elinks (ELSA-2013-0250)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 892592
OpenVAS Name: Debian Security Advisory DSA 2592-1 (elinks - programming error
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/21/2012 🔍
12/27/2012 +128 days 🔍
12/28/2012 +1 days 🔍
12/28/2012 +0 days 🔍
01/02/2013 +5 days 🔍
01/02/2013 +0 days 🔍
01/08/2013 +6 days 🔍
07/12/2013 +185 days 🔍
03/24/2015 +620 days 🔍
12/29/2024 +3568 days 🔍

Sourcesinfo

Advisory: RHSA-2013:0250
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-4545 (🔍)
GCVE (CVE): GCVE-0-2012-4545
GCVE (VulDB): GCVE-100-63300

OVAL: 🔍

X-Force: 80882
SecurityFocus: 57065 - ELinks CVE-2012-4545 Security Bypass Vulnerability
Secunia: 51569 - Debian update for elinks, Not Critical
Vulnerability Center: 37907 - ELinks Remote Host Privilege due to GSSAPI Credentials Being Improperly Handled, High

Entryinfo

Created: 03/24/2015 12:22
Updated: 12/29/2024 20:43
Changes: 03/24/2015 12:22 (64), 04/23/2017 13:59 (8), 12/21/2021 09:43 (3), 12/21/2021 09:44 (1), 12/21/2021 09:48 (2), 12/29/2024 20:43 (20)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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