Free Lossless Image Format 0.3 LibPNG image/image-png.cpp memory corruption

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Free Lossless Image Format 0.3. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file image/image-png.cpp of the component LibPNG. The manipulation results in memory corruption. This vulnerability is reported as CVE-2018-14876. The attack requires a local approach. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in Free Lossless Image Format 0.3. Affected is some unknown processing of the file image/image-png.cpp of the component LibPNG. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. CVE summarizes:

An issue was discovered in image_save_png in image/image-png.cpp in Free Lossless Image Format (FLIF) 0.3. Attackers can trigger a longjmp that leads to an uninitialized stack frame after a libpng error concerning the IHDR image width.

The bug was discovered 07/24/2018. The weakness was disclosed 08/03/2018 (Website). The advisory is available at github.com. This vulnerability is traded as CVE-2018-14876 since 08/02/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 9 days. During that time the estimated underground price was around $0-$5k.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/24/2018 🔍
08/02/2018 +8 days 🔍
08/02/2018 +0 days 🔍
08/03/2018 +1 days 🔍
08/03/2018 +0 days 🔍
04/29/2023 +1730 days 🔍

Sourcesinfo

Advisory: 520
Status: Not defined

CVE: CVE-2018-14876 (🔍)
GCVE (CVE): GCVE-0-2018-14876
GCVE (VulDB): GCVE-100-122562

Entryinfo

Created: 08/03/2018 07:34
Updated: 04/29/2023 13:32
Changes: 08/03/2018 07:34 (56), 03/13/2020 07:31 (1), 04/29/2023 13:32 (3)
Complete: 🔍
Cache ID: 216::103

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