OptiPNG up to 0.7.5 BMP Image pngxtern/pngxrbmp.c bmp_read_rows memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

A vulnerability was found in OptiPNG up to 0.7.5. It has been declared as critical. Affected by this vulnerability is the function bmp_read_rows of the file pngxtern/pngxrbmp.c of the component BMP Image Handler. 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 availability. The summary by CVE is:

The bmp_read_rows function in pngxtern/pngxrbmp.c in OptiPNG before 0.7.6 allows remote attackers to cause a denial of service (invalid memory write and crash) via a series of delta escapes in a crafted BMP image.

The weakness was shared 04/13/2016 (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2016-2191 since 01/28/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 92075 (Fedora 24 : optipng (2016-2e339a7779)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196449 (Ubuntu Security Notification for Optipng Vulnerabilities (USN-2951-1)).

Upgrading to version 0.7.6 eliminates this vulnerability. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (92075). The entries VDB-82349, VDB-82350, VDB-82719 and VDB-82720 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

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

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 92075
Nessus Name: Fedora 24 : optipng (2016-2e339a7779)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for optipng FEDORA-2016-b8f91621c7
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Upgrade: OptiPNG 0.7.6

Timelineinfo

01/28/2016 🔍
04/13/2016 +75 days 🔍
04/13/2016 +0 days 🔍
04/14/2016 +1 days 🔍
06/18/2016 +64 days 🔍
07/14/2016 +26 days 🔍
07/24/2022 +2201 days 🔍

Sourcesinfo

Advisory: FEDORA-2016-2e339a7779⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-2191 (🔍)
GCVE (CVE): GCVE-0-2016-2191
GCVE (VulDB): GCVE-100-82339

OVAL: 🔍
See also: 🔍

Entryinfo

Created: 04/14/2016 10:00 AM
Updated: 07/24/2022 01:25 PM
Changes: 04/14/2016 10:00 AM (48), 10/06/2018 11:17 AM (29), 07/24/2022 01:20 PM (4), 07/24/2022 01:25 PM (1)
Complete: 🔍
Cache ID: 18:776:40

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