Curtis Galloway libexif 0.6.20 exif-entry.c exif_entry_get_value buffer-size numeric error

CVSS Meta Temp Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Curtis Galloway libexif 0.6.20 and classified as critical. Affected by this issue is the function exif_entry_get_value of the file exif-entry.c. Executing a manipulation of the argument buffer-size can lead to numeric error. This vulnerability is tracked as CVE-2012-2841. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in Curtis Galloway libexif 0.6.20. This vulnerability affects the function exif_entry_get_value of the file exif-entry.c. The manipulation of the argument buffer-size with an unknown input leads to a numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Integer underflow in the exif_entry_get_value function in exif-entry.c in the EXIF Tag Parsing Library (aka libexif) 0.6.20 might allow remote attackers to execute arbitrary code via vectors involving a crafted buffer-size parameter during the formatting of an EXIF tag, leading to a heap-based buffer overflow.

The weakness was disclosed 07/13/2012 by Mateusz Jurczyk (Website). The advisory is available at ubuntu.com. This vulnerability was named CVE-2012-2841 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. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 62047 (CentOS 5 / 6 : libexif (CESA-2012:1255)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS 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).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (76908), Tenable (62047), SecurityFocus (BID 54437†), Secunia (SA49988†) and Vulnerability Center (SBV-35770†). The entries VDB-61283, VDB-61281, VDB-61280 and VDB-61279 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Numeric error
CWE: CWE-189
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: 62047
Nessus Name: CentOS 5 / 6 : libexif (CESA-2012:1255)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

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

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

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 🔍
03/23/2015 +965 days 🔍
12/06/2021 +2450 days 🔍

Sourcesinfo

Advisory: RHSA-2012:1255
Researcher: Mateusz Jurczyk
Status: Not defined

CVE: CVE-2012-2841 (🔍)
GCVE (CVE): GCVE-0-2012-2841
GCVE (VulDB): GCVE-100-61282

OVAL: 🔍

X-Force: 76908
SecurityFocus: 54437 - libexif Multiple Remote Vulnerabilities
Secunia: 49988 - Slackware update for libexif, Moderately Critical
Vulnerability Center: 35770 - Libexif 0.6.20 Remote Heap-Based Buffer Overflow Related to EXIF Tag Crafted Buffer-Size Parameter, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 12/06/2021 08:58
Changes: 03/23/2015 16:50 (63), 04/15/2017 16:08 (13), 12/06/2021 08:48 (3), 12/06/2021 08:53 (1), 12/06/2021 08:58 (2)
Complete: 🔍
Cache ID: 216:E25:103

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