apng2gif 1.7 load_apng imagesize integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in apng2gif 1.7. The affected element is the function load_apng. The manipulation of the argument imagesize leads to integer overflow. This vulnerability is referenced as CVE-2017-6960. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in apng2gif 1.7. It has been rated as critical. This issue affects the function load_apng. The manipulation of the argument imagesize with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in apng2gif 1.7. There is an integer overflow resulting in a heap-based buffer over-read, related to the load_apng function and the imagesize variable.

The bug was discovered 03/17/2017. The weakness was published 03/17/2017 (Website). The advisory is shared at bugs.debian.org. The identification of this vulnerability is CVE-2017-6960 since 03/17/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 100673 (Debian DLA-981-1 : apng2gif security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

Upgrading 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 (100673). Similar entries are available at VDB-98227 and VDB-98226. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / 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: 100673
Nessus Name: Debian DLA-981-1 : apng2gif security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 840652
OpenVAS Name: Debian LTS Advisory ([SECURITY] [DLA 981-1] apng2gif security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

03/17/2017 🔍
03/17/2017 +0 days 🔍
03/17/2017 +0 days 🔍
03/17/2017 +0 days 🔍
03/17/2017 +0 days 🔍
06/07/2017 +82 days 🔍
06/08/2017 +1 days 🔍
09/09/2020 +1189 days 🔍

Sourcesinfo

Advisory: bugs.debian.org
Status: Not defined

CVE: CVE-2017-6960 (🔍)
GCVE (CVE): GCVE-0-2017-6960
GCVE (VulDB): GCVE-100-98225
OSVDB: - CVE-2017-6960 - apng2gif - Integer Overflow Issue

See also: 🔍

Entryinfo

Created: 03/17/2017 13:08
Updated: 09/09/2020 15:15
Changes: 03/17/2017 13:08 (70), 09/09/2020 15:15 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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