OptiPNG up to 0.7.5 gif2png gifread.c GIF Image File memory corruption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.0 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as problematic has been discovered in OptiPNG up to 0.7.5. Affected by this vulnerability is an unknown functionality of the file gifread.c of the component gif2png. Executing a manipulation as part of GIF Image File can lead to memory corruption. This vulnerability is registered as CVE-2015-7802. It is possible to launch the attack remotely. No exploit is available. It is advisable to upgrade the affected component.
Details
A vulnerability classified as critical was found in OptiPNG up to 0.7.5. This vulnerability affects an unknown functionality of the file gifread.c of the component gif2png. The manipulation as part of a GIF Image File 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, integrity, and availability. CVE summarizes:
gifread.c in gif2png, as used in OptiPNG before 0.7.6, allows remote attackers to cause a denial of service (uninitialized memory read) via a crafted GIF file.
The weakness was published 04/20/2016 (Website). The advisory is shared for download at ubuntu.com. This vulnerability was named CVE-2015-7802 since 10/09/2015. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 90589 (Ubuntu 12.04 LTS / 14.04 LTS / 15.10 : optipng vulnerabilities (USN-2951-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu 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 even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (90589). Similar entries are available at VDB-82339, VDB-82349, VDB-82350 and VDB-82719. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.2VulDB Meta Temp Score: 7.0
VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
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Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Nessus ID: 90589
Nessus Name: Ubuntu 12.04 LTS / 14.04 LTS / 15.10 : optipng vulnerabilities (USN-2951-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 841810
OpenVAS Name: Ubuntu Update for optipng USN-2951-1
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: OptiPNG 0.7.6
Timeline
10/09/2015 🔍04/18/2016 🔍
04/19/2016 🔍
04/20/2016 🔍
04/20/2016 🔍
04/21/2016 🔍
07/26/2022 🔍
Sources
Advisory: USN-2951-1Status: Not defined
Confirmation: 🔍
CVE: CVE-2015-7802 (🔍)
GCVE (CVE): GCVE-0-2015-7802
GCVE (VulDB): GCVE-100-82720
See also: 🔍
Entry
Created: 04/21/2016 15:20Updated: 07/26/2022 12:33
Changes: 04/21/2016 15:20 (52), 10/19/2018 08:11 (22), 07/26/2022 12:33 (4)
Complete: 🔍
Cache ID: 216::103
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