libmspack up to 0.4 CAB Archive cabd.c cabd_extract null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability was found in libmspack up to 0.4. It has been rated as problematic. Affected by this vulnerability is the function cabd_extract of the file cabd.c of the component CAB Archive Handler. The manipulation leads to null pointer dereference. This vulnerability is referenced as CVE-2014-9732. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in libmspack up to 0.4. This issue affects the function cabd_extract of the file cabd.c of the component CAB Archive Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. The summary by CVE is:

The cabd_extract function in cabd.c in libmspack before 0.5 does not properly maintain decompression callbacks in certain cases where an invalid file follows a valid file, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted CAB archive.

The weakness was published 06/11/2015 by Jakub Wilk as confirmed mailinglist post (oss-sec). The advisory is shared at seclists.org. The identification of this vulnerability is CVE-2014-9732. The exploitation is known to be easy. The attack may be initiated remotely. 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 87122 (SUSE SLED11 Security Update : cabextract (SUSE-SU-2015:2131-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168364 (SUSE Enterprise Linux Security update for libmspack (SUSE-SU-2016:0011-1)).

Upgrading to version 0.5 eliminates this vulnerability. A possible mitigation has been published 7 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (103797), Tenable (87122), SecurityFocus (BID 72474†) and Vulnerability Center (SBV-55753†). Similar entries are available at VDB-75846, VDB-75847, VDB-75848 and VDB-75849. 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: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
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: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 87122
Nessus Name: SUSE SLED11 Security Update : cabextract (SUSE-SU-2015:2131-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: libmspack 0.5
Suricata ID: 2022930
Suricata Class: 🔍
Suricata Message: 🔍

Timelineinfo

02/03/2015 🔍
02/03/2015 +0 days 🔍
06/11/2015 +127 days 🔍
06/11/2015 +0 days 🔍
06/11/2015 +0 days 🔍
06/12/2015 +1 days 🔍
11/27/2015 +168 days 🔍
12/01/2015 +4 days 🔍
01/19/2016 +49 days 🔍
05/21/2022 +2313 days 🔍

Sourcesinfo

Advisory: seclists.org
Researcher: Jakub Wilk
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-9732 (🔍)
GCVE (CVE): GCVE-0-2014-9732
GCVE (VulDB): GCVE-100-75845
X-Force: 103797 - libmspack CAB denial of service
SecurityFocus: 72474 - Libmspack NULL Pointer Dereference Denial of Service Vulnerability
Vulnerability Center: 55753 - libmspack <0.5 Remote DoS due to Invalid Folder in CAB Archive, Medium

See also: 🔍

Entryinfo

Created: 06/12/2015 10:33
Updated: 05/21/2022 00:42
Changes: 06/12/2015 10:33 (63), 07/05/2018 09:02 (17), 05/21/2022 00:42 (3)
Complete: 🔍
Cache ID: 216:9D2:103

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