MIT Kerberos 5 lib/rpc/svc_auth_gss.c svcauth_gss_get_principal numeric error

CVSS Meta Temp Score
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CTI Interest Score
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9.3$0-$5k0.00

Summaryinfo

A vulnerability was found in MIT Kerberos 5. It has been declared as problematic. The impacted element is the function svcauth_gss_get_principal in the library lib/rpc/svc_auth_gss.c of the component Kerberos. The manipulation results in numeric error. This vulnerability was named CVE-2007-5902. There is no available exploit.

Detailsinfo

A vulnerability was found in MIT Kerberos 5 (Network Authentication Software). It has been classified as critical. Affected is the function svcauth_gss_get_principal in the library lib/rpc/svc_auth_gss.c of the component Kerberos. The manipulation with an unknown input leads to a numeric error vulnerability. CWE is classifying the issue as CWE-189. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Integer overflow in the svcauth_gss_get_principal function in lib/rpc/svc_auth_gss.c in MIT Kerberos 5 (krb5) allows remote attackers to have an unknown impact via a large length value for a GSS client name in an RPC request.

The weakness was presented 12/08/2007 with Gentoo (Website). The advisory is shared for download at vupen.com. This vulnerability is traded as CVE-2007-5902 since 11/09/2007. The exploitability is told to be easy. 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.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 46688 (Ubuntu 6.06 LTS / 8.04 LTS / 9.04 / 9.10 : krb5 vulnerabilities (USN-940-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165712 (SUSE Enterprise Linux Security Update (SUSE-SR:2008:002)).

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 (38919), Tenable (46688), SecurityFocus (BID 26750†), OSVDB (44748†) and Secunia (SA28636†). See VDB-3410, VDB-3547, VDB-37647 and VDB-39622 for similar entries. 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: 9.8
VulDB Meta Temp Score: 9.3

VulDB Base Score: 9.8
VulDB Temp Score: 9.3
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: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 46688
Nessus Name: Ubuntu 6.06 LTS / 8.04 LTS / 9.04 / 9.10 : krb5 vulnerabilities (USN-940-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 840414
OpenVAS Name: Ubuntu Update for krb5 vulnerabilities USN-924-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

Timelineinfo

11/09/2007 🔍
11/15/2007 +6 days 🔍
12/05/2007 +20 days 🔍
12/06/2007 +1 days 🔍
12/08/2007 +2 days 🔍
02/14/2008 +67 days 🔍
05/02/2008 +78 days 🔍
05/20/2010 +747 days 🔍
03/16/2015 +1761 days 🔍
07/29/2021 +2327 days 🔍

Sourcesinfo

Vendor: mit.edu

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

CVE: CVE-2007-5902 (🔍)
GCVE (CVE): GCVE-0-2007-5902
GCVE (VulDB): GCVE-100-39948

OVAL: 🔍

X-Force: 38919
SecurityFocus: 26750 - MIT Kerberos Multiple Memory Corruption Vulnerabilities
Secunia: 28636
OSVDB: 44748 - MIT Kerberos 5 (krb5) lib/rpc/svc_auth_gss.c svcauth_gss_get_principal Function RPC Request GSS Client Name Overflow
Vulnerability Center: 17624 - MIT Kerberos 5 (krb5) Integer Overflow in the svcauth_gss_get_principal Function, High
Vupen: ADV-2010-1192

See also: 🔍

Entryinfo

Created: 03/16/2015 13:43
Updated: 07/29/2021 20:45
Changes: 03/16/2015 13:43 (73), 08/22/2017 11:26 (8), 07/29/2021 20:45 (3)
Complete: 🔍
Cache ID: 216::103

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