MIT Kerberos up to 5-1.13 IAKERB gss_inquire_context source code

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 problematic, was found in MIT Kerberos 5-1.9/5-1.10/5-1.11/5-1.12/5-1.13. This vulnerability affects the function gss_inquire_context of the component IAKERB. Executing a manipulation can lead to source code. This vulnerability is registered as CVE-2015-2696. No exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability has been found in MIT Kerberos 5-1.9/5-1.10/5-1.11/5-1.12/5-1.13 (Network Authentication Software) and classified as problematic. This vulnerability affects the function gss_inquire_context of the component IAKERB. The manipulation with an unknown input leads to a source code vulnerability. The CWE definition for the vulnerability is CWE-18. As an impact it is known to affect availability.

The weakness was published 10/26/2015 as #8244 as confirmed ticket (Website). The advisory is shared for download at krbdev.mit.edu. This vulnerability was named CVE-2015-2696 since 03/24/2015. 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 86754 (SUSE SLED12 / SLES12 Security Update : krb5 (SUSE-SU-2015:1897-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168198 (OpenSuSE Security Update for krb5 (openSUSE-SU-2015:1928-1)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (86754), SecurityFocus (BID 90675†), SecurityTracker (ID 1034084†) and Vulnerability Center (SBV-54406†). Similar entries are available at VDB-79059 and VDB-79061. Once again VulDB remains the best source 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

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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Exploitinginfo

Class: Source code
CWE: CWE-18 / CWE-17
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: 86754
Nessus Name: SUSE SLED12 / SLES12 Security Update : krb5 (SUSE-SU-2015:1897-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703395
OpenVAS Name: Debian Security Advisory DSA 3395-1 (krb5 - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Patch: github.com

Timelineinfo

03/24/2015 🔍
10/26/2015 +216 days 🔍
10/26/2015 +0 days 🔍
11/05/2015 +10 days 🔍
11/05/2015 +0 days 🔍
11/05/2015 +0 days 🔍
11/06/2015 +1 days 🔍
11/08/2015 +2 days 🔍
11/15/2015 +7 days 🔍
06/26/2022 +2415 days 🔍

Sourcesinfo

Vendor: mit.edu

Advisory: #8244
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-2696 (🔍)
GCVE (CVE): GCVE-0-2015-2696
GCVE (VulDB): GCVE-100-79060

OVAL: 🔍

SecurityFocus: 90675
SecurityTracker: 1034084
Vulnerability Center: 54406 - MIT Kerberos 5 Remote DoS via a Crafted IAKERB Packet, High

See also: 🔍

Entryinfo

Created: 11/06/2015 10:28
Updated: 06/26/2022 10:59
Changes: 11/06/2015 10:28 (70), 04/12/2018 17:15 (10), 06/26/2022 10:59 (3)
Complete: 🔍
Cache ID: 216::103

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