ffjpeg huffman.c huffman_decode_step null pointer dereference

HistoryDiffrelatejsonxmlCTI

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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in ffjpeg. This issue affects the function huffman_decode_step of the file huffman.c. Such manipulation leads to null pointer dereference. This vulnerability is referenced as CVE-2019-16351. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in ffjpeg (unknown version). Affected by this issue is the function huffman_decode_step of the file huffman.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. CVE summarizes:

ffjpeg before 2019-08-18 has a NULL pointer dereference in huffman_decode_step() at huffman.c.

The weakness was published 09/16/2019. This vulnerability is handled as CVE-2019-16351 since 09/16/2019. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

Similar entries are available at VDB-141861 and VDB-141859. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

ffjpeg

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/18/2019 🔍
09/16/2019 +29 days 🔍
09/16/2019 +0 days 🔍
09/17/2019 +1 days 🔍
12/25/2023 +1560 days 🔍

Sourcesinfo

Advisory: 11
Status: Not defined

CVE: CVE-2019-16351 (🔍)
GCVE (CVE): GCVE-0-2019-16351
GCVE (VulDB): GCVE-100-141860
See also: 🔍

Entryinfo

Created: 09/17/2019 08:54
Updated: 12/25/2023 14:11
Changes: 09/17/2019 08:54 (37), 08/27/2020 10:20 (17), 12/25/2023 14:11 (5)
Complete: 🔍
Cache ID: 216::103