Libexpat up to 2.0.1 expat/lib/xmlparse.c poolGrow resource management

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Libexpat expat up to 2.0.1. Impacted is the function poolGrow in the library expat/lib/xmlparse.c. The manipulation results in resource management. This vulnerability is identified as CVE-2012-1148. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Libexpat expat up to 2.0.1. Affected is the function poolGrow in the library expat/lib/xmlparse.c. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. CVE summarizes:

Memory leak in the poolGrow function in expat/lib/xmlparse.c in expat before 2.1.0 allows context-dependent attackers to cause a denial of service (memory consumption) via a large number of crafted XML files that cause improperly-handled reallocation failures when expanding entities.

The weakness was released 07/03/2012 (Website). The advisory is shared for download at expat.cvs.sourceforge.net. This vulnerability is traded as CVE-2012-1148 since 02/14/2012. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 69696 (Amazon Linux AMI : expat (ALAS-2012-89)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370347 (Apple iTunes Prior to 12.6 Multiple Vulnerabilities (APPLE-SA-2017-03-22-1) and (APPLE-SA-2017-03-22-2)).

Upgrading to version 2.0.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (73867), Tenable (69696), SecurityFocus (BID 52379†), Secunia (SA49504†) and Vulnerability Center (SBV-35417†). Entries connected to this vulnerability are available at VDB-10933, VDB-10938, VDB-50128 and VDB-61175. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 69696
Nessus Name: Amazon Linux AMI : expat (ALAS-2012-89)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 71503
OpenVAS Name: Debian Security Advisory DSA 2525-1 (expat)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: expat 2.0.0

Timelineinfo

02/14/2012 🔍
03/09/2012 +24 days 🔍
03/09/2012 +0 days 🔍
06/14/2012 +97 days 🔍
06/25/2012 +11 days 🔍
07/03/2012 +8 days 🔍
07/03/2012 +0 days 🔍
03/23/2015 +993 days 🔍
12/05/2021 +2449 days 🔍

Sourcesinfo

Advisory: RHSA-2012:0731
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-1148 (🔍)
GCVE (CVE): GCVE-0-2012-1148
GCVE (VulDB): GCVE-100-61176

OVAL: 🔍
IAVM: 🔍

X-Force: 73867
SecurityFocus: 52379 - Expat XML Parsing Multiple Remote Denial of Service Vulnerabilities
Secunia: 49504 - Red Hat update for expat, Moderately Critical
SecurityTracker: 1034344
Vulnerability Center: 35417 - Expat Before 2.1 Allocated Memory Failure Allows Remote Application DoS, High

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 12/05/2021 18:24
Changes: 03/23/2015 16:50 (67), 04/14/2017 13:12 (13), 12/05/2021 18:09 (4), 12/05/2021 18:16 (1), 12/05/2021 18:24 (2)
Complete: 🔍
Cache ID: 216:7A3:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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