sssd LDAP Search libsss_certmap ldap injection

HistoryDiffjsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0	$0-$5k	0.00

A vulnerability was found in sssd (the affected version unknown). It has been declared as problematic. Affected by this vulnerability is the function libsss_certmap of the component LDAP Search Handler. The manipulation with an unknown input leads to a ldap injection vulnerability. The CWE definition for the vulnerability is CWE-90. The product constructs all or part of an LDAP query using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended LDAP query when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

sssd: libsss_certmap fails to sanitise certificate data used in LDAP filters

The weakness was published 02/01/2023 as 5135. The advisory is shared at github.com. This vulnerability is known as CVE-2022-4254 since 12/01/2022. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1505 for this issue.

Applying the patch a2b9a84460429181f2a4fa7e2bb5ab49fd561274 is able to eliminate this problem. The bugfix is ready for download at github.com.

Similar entry is available at VDB-262182.

Productinfo

Name

sssd

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.0

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Ldap injection
CWE: CWE-90 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: a2b9a84460429181f2a4fa7e2bb5ab49fd561274

Timelineinfo

12/01/2022 🔍
02/01/2023 +62 days 🔍
02/01/2023 +0 days 🔍
03/01/2023 +28 days 🔍

Sourcesinfo

Advisory: 5135
Status: Confirmed

CVE: CVE-2022-4254 (🔍)
See also: 🔍

Entryinfo

Created: 02/01/2023 20:59
Updated: 03/01/2023 14:33
Changes: 02/01/2023 20:59 (40), 03/01/2023 14:33 (11)
Complete: 🔍
Cache ID: 3:246:103