KDE 4.10.5 KDM/KCheckPass glibc crypt EINVAL cryptographic issue

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6.7$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in KDE 4.10.5. Impacted is the function crypt in the library glibc of the component KDM/KCheckPass. Such manipulation of the argument EINVAL leads to cryptographic issue. This vulnerability is traded as CVE-2013-4132. Furthermore, there is an exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in KDE 4.10.5. It has been rated as critical. Affected by this issue is the function crypt in the library glibc of the component KDM/KCheckPass. The manipulation of the argument EINVAL with an unknown input leads to a cryptographic issue vulnerability. Using CWE to declare the problem leads to CWE-310. Impacted is availability. CVE summarizes:

KDE-Workspace 4.10.5 and earlier does not properly handle the return value of the glibc 2.17 crypt and pw_encrypt functions, which allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via (1) an invalid salt or a (2) DES or (3) MD5 encrypted password, when FIPS-140 is enable, to KDM or an (4) invalid password to KCheckPass.

The weakness was shared 06/26/2013 by mancha as not defined mailinglist post (oss-sec). The advisory is available at seclists.org. This vulnerability is handled as CVE-2013-4132 since 06/12/2013. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known. This vulnerability is assigned to T1600 by the MITRE ATT&CK project.

After immediately, there has been an exploit disclosed. The exploit is available at git.reviewboard.kde.org. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 75103 (openSUSE Security Update : kdebase4-workspace (openSUSE-SU-2013:1291-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 167086 (SUSE Enterprise Linux Security update for kdebase4-workspace (SUSE-SU-2014:0885-1)).

Upgrading to version 4.10.5 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at projects.kde.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 3 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (85798), Tenable (75103), SecurityFocus (BID 61191†), OSVDB (95508†) and Vulnerability Center (SBV-41279†). The entry VDB-146843 is related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Cryptographic issue
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 75103
Nessus Name: openSUSE Security Update : kdebase4-workspace (openSUSE-SU-2013:1291-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍

Upgrade: KDE 4.10.5
Patch: projects.kde.org

Timelineinfo

06/12/2013 🔍
06/26/2013 +14 days 🔍
06/26/2013 +0 days 🔍
06/26/2013 +0 days 🔍
06/26/2013 +0 days 🔍
06/29/2013 +3 days 🔍
07/23/2013 +24 days 🔍
08/29/2013 +37 days 🔍
09/16/2013 +18 days 🔍
06/13/2014 +270 days 🔍
05/20/2021 +2533 days 🔍

Sourcesinfo

Advisory: seclists.org
Researcher: mancha
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-4132 (🔍)
GCVE (CVE): GCVE-0-2013-4132
GCVE (VulDB): GCVE-100-9674

OVAL: 🔍

X-Force: 85798
SecurityFocus: 61191 - KDE Sc CVE-2013-4132 NULL Pointer Dereference Denial of Service Vulnerability
OSVDB: 95508
Vulnerability Center: 41279 - KDE Sc 4.10.4 Local Denial of Service due to a Problem With KDM and KCheckPass, Low

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 07/23/2013 11:00
Updated: 05/20/2021 14:30
Changes: 07/23/2013 11:00 (80), 05/09/2017 23:22 (4), 05/20/2021 14:30 (3)
Complete: 🔍
Committer:
Cache ID: 216:0E0:103

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