VDB-165216 · CVE-2020-20739 · Issue 1419

libvips up to 8.8.1 im_vips2dz.c im_vips2dz uninitialized pointer

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.
5.6	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in libvips up to 8.8.1. The impacted element is the function im_vips2dz in the library /libvips/libvips/deprecated/im_vips2dz.c. The manipulation results in uninitialized pointer. This vulnerability is identified as CVE-2020-20739. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in libvips up to 8.8.1. Affected is the function im_vips2dz in the library /libvips/libvips/deprecated/im_vips2dz.c. The manipulation with an unknown input leads to a uninitialized pointer vulnerability. CWE is classifying the issue as CWE-824. The product accesses or uses a pointer that has not been initialized. The impact remains unknown.

The weakness was released 11/21/2020 as 1419. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2020-20739. There are known technical details, but no exploit is available.

Upgrading to version 8.8.2 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

libvips

Version

License

open-source

Website

Product: https://github.com/libvips/libvips/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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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: Uninitialized pointer
CWE: CWE-824 / CWE-908
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: 🔍

Upgrade: libvips 8.8.2
Patch: github.com

Timelineinfo

08/13/2020 🔍
11/21/2020 +100 days 🔍
11/21/2020 +0 days 🔍
12/09/2020 +18 days 🔍

Sourcesinfo

Product: github.com

Advisory: 1419
Status: Confirmed

CVE: CVE-2020-20739 (🔍)
GCVE (CVE): GCVE-0-2020-20739
GCVE (VulDB): GCVE-100-165216

Entryinfo

Created: 11/21/2020 07:21
Updated: 12/09/2020 17:20
Changes: 11/21/2020 07:21 (39), 12/09/2020 17:16 (5), 12/09/2020 17:20 (18)
Complete: 🔍
Cache ID: 216::103