MIT Kerberos 1.6.3 Kdc g_initialize.c gss_indicate_mechs resource management

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in MIT Kerberos 1.6.3 Kdc. It has been classified as problematic. The affected element is the function gss_indicate_mechs in the library lib/gssapi/mechglue/g_initialize.c. The manipulation leads to resource management. This vulnerability is uniquely identified as CVE-2007-5901. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in MIT Kerberos 1.6.3 Kdc (Network Authentication Software) and classified as critical. This issue affects the function gss_indicate_mechs in the library lib/gssapi/mechglue/g_initialize.c. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Use-after-free vulnerability in the gss_indicate_mechs function in lib/gssapi/mechglue/g_initialize.c in MIT Kerberos 5 (krb5) has unknown impact and attack vectors. NOTE: this might be the result of a typo in the source code.

The bug was discovered 11/15/2007. The weakness was disclosed 12/05/2007 with Gentoo (Website). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2007-5901 since 11/09/2007. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 20 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 67664 (Oracle Linux 5 : krb5 (ELSA-2008-0164)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 155140 (Oracle Enterprise Linux krb5 Security and Bug Fix Update (ELSA-2008-0164)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (38918), Tenable (67664), SecurityFocus (BID 26750†), OSVDB (43346†) and Secunia (SA29451†). The entries VDB-3489, VDB-35080, VDB-35079 and VDB-38538 are pretty similar. 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: 9.3
VulDB Meta Temp Score: 8.4

VulDB Base Score: 9.3
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 67664
Nessus Name: Oracle Linux 5 : krb5 (ELSA-2008-0164)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 860003
OpenVAS Name: Family Connections argv[1] Parameter Remote Arbitrary Command Execution Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

11/09/2007 🔍
11/15/2007 +6 days 🔍
11/15/2007 +0 days 🔍
12/05/2007 +20 days 🔍
12/05/2007 +0 days 🔍
12/06/2007 +1 days 🔍
02/14/2008 +70 days 🔍
03/19/2008 +34 days 🔍
03/20/2008 +1 days 🔍
07/12/2013 +1939 days 🔍
03/16/2015 +612 days 🔍
08/05/2019 +1603 days 🔍

Sourcesinfo

Vendor: mit.edu

Advisory: securityfocus.com⛔
Organization: Gentoo
Status: Not defined
Confirmation: 🔍

CVE: CVE-2007-5901 (🔍)
GCVE (CVE): GCVE-0-2007-5901
GCVE (VulDB): GCVE-100-39947

OVAL: 🔍

X-Force: 38918
SecurityFocus: 26750 - MIT Kerberos Multiple Memory Corruption Vulnerabilities
Secunia: 29451
OSVDB: 43346 - MIT Kerberos 5 lib/gssapi/mechglue/g_initialize.c gss_indicate_mechs Function User-after-free
Vulnerability Center: 17623 - MIT Kerberos 5 (krb5) gss_indicate_mechs Function Use-After-Free Vulnerability, High
Vupen: ADV-2008-0924

See also: 🔍

Entryinfo

Created: 03/16/2015 13:43
Updated: 08/05/2019 06:56
Changes: 03/16/2015 13:43 (81), 08/05/2019 06:56 (7)
Complete: 🔍
Cache ID: 216::103

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