SSSD up to 1.5.6.1 Security Service krb5_save_ccname_done improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability was found in SSSD up to 1.5.6.1. It has been rated as problematic. This vulnerability affects the function krb5_save_ccname_done of the component Security Service. The manipulation leads to improper authentication. This vulnerability is listed as CVE-2011-1758. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in SSSD up to 1.5.6.1 and classified as problematic. This issue affects the function krb5_save_ccname_done of the component Security Service. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The krb5_save_ccname_done function in providers/krb5/krb5_auth.c in System Security Services Daemon (SSSD) 1.5.x before 1.5.7, when automatic ticket renewal and offline authentication are configured, uses a pathname string as a password, which allows local users to bypass Kerberos authentication by listing the /tmp directory to obtain the pathname.

The weakness was presented 05/26/2011 (Website). The advisory is shared at fedorahosted.org. The identification of this vulnerability is CVE-2011-1758. The exploitation is known to be difficult. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 53816 (Fedora 14 : sssd-1.5.7-1.fc14 (2011-5815)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks.

Upgrading to version 1.5.6.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (67229), Tenable (53816), SecurityFocus (BID 47658†) and Vulnerability Center (SBV-31482†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.7

VulDB Base Score: 4.9
VulDB Temp Score: 4.7
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: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 53816
Nessus Name: Fedora 14 : sssd-1.5.7-1.fc14 (2011-5815)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 863075
OpenVAS Name: Fedora Update for sssd FEDORA-2011-5815
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: SSSD 1.5.6.1
Patch: fffdae81651b460f3d2c119c56d5caa09b4de42a

Timelineinfo

04/19/2011 🔍
04/29/2011 +10 days 🔍
04/29/2011 +0 days 🔍
05/06/2011 +7 days 🔍
05/17/2011 +11 days 🔍
05/26/2011 +9 days 🔍
05/26/2011 +0 days 🔍
03/23/2015 +1397 days 🔍
11/07/2021 +2421 days 🔍

Sourcesinfo

Advisory: 856
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-1758 (🔍)
GCVE (CVE): GCVE-0-2011-1758
GCVE (VulDB): GCVE-100-57533
X-Force: 67229
SecurityFocus: 47658 - SSSD Kerberos Ticket Renewal Cached Password Security Bypass Vulnerability
Vulnerability Center: 31482 - SSSD 1.5.6 Predictable Cache Filename Allows Local Authentication Bypass, Medium

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/07/2021 21:24
Changes: 03/23/2015 16:50 (60), 03/22/2017 14:17 (8), 11/07/2021 21:12 (7), 11/07/2021 21:24 (1)
Complete: 🔍
Cache ID: 216:8C9:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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