Curtis Galloway libexif up to 0.6.20 exif-entry.c exif_entry_get_value memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Curtis Galloway libexif up to 0.6.20. The affected element is the function exif_entry_get_value of the file exif-entry.c. Executing a manipulation can lead to memory corruption. This vulnerability is handled as CVE-2012-2812. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Curtis Galloway libexif up to 0.6.20 and classified as critical. This vulnerability affects the function exif_entry_get_value of the file exif-entry.c. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, and availability. CVE summarizes:

The exif_entry_get_value function in exif-entry.c in the EXIF Tag Parsing Library (aka libexif) before 0.6.21 allows remote attackers to cause a denial of service (out-of-bounds read) or possibly obtain sensitive information from process memory via crafted EXIF tags in an image.

The weakness was released 07/13/2012 by Mateusz Jurczyk (Website). The advisory is shared for download at ubuntu.com. This vulnerability was named CVE-2012-2812 since 05/19/2012. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 72032 (GLSA-201401-10 : libexif, exif: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350621 (Amazon Linux Security Advisory for libexif: ALAS-2012-126).

Upgrading to version 0.6.19 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (76902), Tenable (72032), SecurityFocus (BID 54437†), Secunia (SA49988†) and Vulnerability Center (SBV-35769†). Entries connected to this vulnerability are available at VDB-61283, VDB-61282, VDB-61281 and VDB-61280. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 72032
Nessus Name: GLSA-201401-10 : libexif, exif: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 72499
OpenVAS Name: Debian Security Advisory DSA 2559-1 (libexif)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: libexif 0.6.19

Timelineinfo

05/19/2012 🔍
07/13/2012 +55 days 🔍
07/13/2012 +0 days 🔍
07/13/2012 +0 days 🔍
07/13/2012 +0 days 🔍
07/19/2012 +6 days 🔍
07/31/2012 +12 days 🔍
01/20/2014 +538 days 🔍
03/23/2015 +427 days 🔍
12/06/2021 +2450 days 🔍

Sourcesinfo

Advisory: USN-1513-1
Researcher: Mateusz Jurczyk
Status: Not defined

CVE: CVE-2012-2812 (🔍)
GCVE (CVE): GCVE-0-2012-2812
GCVE (VulDB): GCVE-100-61276

OVAL: 🔍

X-Force: 76902
SecurityFocus: 54437 - libexif Multiple Remote Vulnerabilities
Secunia: 49988 - Slackware update for libexif, Moderately Critical
Vulnerability Center: 35769 - Libexif Before 0.6.21 exif-entry.c Remote DoS Vulnerability via an Image with Crafted EXIF Tags, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 12/06/2021 07:56
Changes: 03/23/2015 16:50 (66), 04/15/2017 16:08 (13), 12/06/2021 07:45 (3), 12/06/2021 07:51 (1), 12/06/2021 07:56 (1)
Complete: 🔍
Cache ID: 216::103

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