MIT Kerberos up to 5-1.8.3 cryptographic issues

CVSS Meta Temp Score
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CTI Interest Score
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4.4$0-$5k0.00

A vulnerability was found in MIT Kerberos up to 5-1.8.3 (Network Authentication Software). It has been declared as problematic. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a cryptographic issues vulnerability. The CWE definition for the vulnerability is CWE-310. As an impact it is known to affect integrity. The summary by CVE is:

MIT Kerberos 5 (aka krb5) 1.7.x and 1.8.x through 1.8.3 does not properly determine the acceptability of checksums, which might allow remote attackers to forge GSS tokens, gain privileges, or have unspecified other impact via (1) an unkeyed checksum, (2) an unkeyed PAC checksum, or (3) a KrbFastArmoredReq checksum based on an RC4 key.

The weakness was released 11/30/2010 by Sam Hartman (Website). It is possible to read the advisory at vupen.com. This vulnerability is known as CVE-2010-1324 since 04/08/2010. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600 according to MITRE ATT&CK.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 51104 (FreeBSD : krb5 -- unkeyed PAC checksum handling vulnerability (9f971cea-03f5-11e0-bf50-001a926c7637)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 216007 (VMWare ESXi 4.1.0 Patch Release ESXi410-201104001 Missing (KB1035111)).

A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (51104). Entries connected to this vulnerability are available at 55596, 55595, 55590 and 57340.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.0
VulDB Vector: 🔍
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NVD Base Score: 3.7
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Cryptographic issues
CWE: CWE-310
ATT&CK: T1600

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

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Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 51104
Nessus Name: FreeBSD : krb5 -- unkeyed PAC checksum handling vulnerability (9f971cea-03f5-11e0-bf50-001a926c7637)
Nessus File: 🔍
Nessus Risk: 🔍
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Nessus Port: 🔍

OpenVAS ID: 68693
OpenVAS Name: FreeBSD Ports: krb5
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

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Timelineinfo

04/08/2010 🔍
11/30/2010 +236 days 🔍
11/30/2010 +0 days 🔍
11/30/2010 +0 days 🔍
11/30/2010 +0 days 🔍
11/30/2010 +0 days 🔍
12/01/2010 +1 days 🔍
12/02/2010 +1 days 🔍
12/05/2010 +3 days 🔍
12/10/2010 +4 days 🔍
03/19/2015 +1560 days 🔍
07/20/2015 +123 days 🔍
10/06/2021 +2270 days 🔍

Sourcesinfo

Vendor: mit.edu

Advisory: USN-1030-1⛔
Researcher: Sam Hartman
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2010-1324 (🔍)
OVAL: 🔍
IAVM: 🔍

SecurityTracker: 1024803 - MIT Kerberos Checksum Handling Errors May Let Remote or Remote Authenticated Users Forge/Modify Certain Data
Vulnerability Center: 51434 - MIT Kerberos 5 Allows to Forge GSS Tokens or Gain Privileges, High
SecurityFocus: 45116 - MIT Kerberos 5 1.7.x Checksum Multiple Remote Security Bypass Vulnerabilities
Secunia: 42399 - Red Hat update for krb5, Moderately Critical
OSVDB: 69609 - MIT Kerberos 5 (krb5) Checksum Acceptability Weakness RC4 Key GSS Token Forgery Issue
Vupen: ADV-2010-3094

See also: 🔍

Entryinfo

Created: 03/19/2015 14:37
Updated: 10/06/2021 02:13
Changes: 03/19/2015 14:37 (70), 07/14/2017 08:54 (19), 10/06/2021 01:57 (3), 10/06/2021 02:05 (12), 10/06/2021 02:13 (1)
Complete: 🔍

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