MIT Kerberos up to 5-1.6.3 get_input_token memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in MIT Kerberos up to 5-1.6.3. Affected is the function get_input_token. This manipulation causes memory corruption. The identification of this vulnerability is CVE-2009-0844. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in MIT Kerberos up to 5-1.6.3 (Network Authentication Software). Affected by this vulnerability is the function get_input_token. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, and availability. The summary by CVE is:

The get_input_token function in the SPNEGO implementation in MIT Kerberos 5 (aka krb5) 1.5 through 1.6.3 allows remote attackers to cause a denial of service (daemon crash) and possibly obtain sensitive information via a crafted length value that triggers a buffer over-read.

The bug was discovered 04/07/2009. The weakness was shared 04/08/2009 with Apple Product Security (Website). The advisory is shared at us-cert.gov. This vulnerability is known as CVE-2009-0844 since 03/06/2009. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 67837 (Oracle Linux 4 : krb5 (ELSA-2009-0409)), 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 216010 (VMWare ESXi 4.1.0 Patch Release ESXi410-201010001 Missing (KB1027753)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (49748), Tenable (67837), SecurityFocus (BID 34408†), OSVDB (53384†) and Secunia (SA34640†). The entries VDB-3948, VDB-23858, VDB-30376 and VDB-40710 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.5
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 67837
Nessus Name: Oracle Linux 4 : krb5 (ELSA-2009-0409)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 63793
OpenVAS Name: Debian Security Advisory DSA 1766-1 (krb5)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/06/2009 🔍
03/20/2009 +14 days 🔍
04/07/2009 +18 days 🔍
04/07/2009 +0 days 🔍
04/07/2009 +0 days 🔍
04/07/2009 +0 days 🔍
04/08/2009 +1 days 🔍
04/08/2009 +0 days 🔍
04/08/2009 +0 days 🔍
04/13/2009 +5 days 🔍
07/12/2013 +1551 days 🔍
03/17/2015 +613 days 🔍
12/29/2024 +3574 days 🔍

Sourcesinfo

Vendor: mit.edu

Advisory: us-cert.gov
Organization: Apple Product Security
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2009-0844 (🔍)
GCVE (CVE): GCVE-0-2009-0844
GCVE (VulDB): GCVE-100-47629

OVAL: 🔍

CERT: 🔍
X-Force: 49748
SecurityFocus: 34408 - MIT Kerberos SPNEGO and ASN.1 Multiple Remote Denial Of Service Vulnerabilities
Secunia: 34640
OSVDB: 53384 - CVE-2009-0844 - MIT - Kerberos - Denial-Of-Service Issue
SecurityTracker: 1021867
Vulnerability Center: 21529 - MIT Kerberos 5 1.5-1.6.3 get_input_token Function Remote DoS Vulnerability via Crafted Length Value, High
Vupen: ADV-2009-0960

See also: 🔍

Entryinfo

Created: 03/17/2015 23:38
Updated: 12/29/2024 00:15
Changes: 03/17/2015 23:38 (83), 09/01/2019 09:25 (5), 12/29/2024 00:15 (17)
Complete: 🔍
Cache ID: 216:7B8:103

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