VDB-179707 · CVE-2021-31292 · GCVE-0-2021-31292

Exiv2 0.27.3 Metadata CrwMap::encode0x1810 heap-based overflow

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.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Exiv2 0.27.3 and classified as critical. Affected by this vulnerability is the function CrwMap::encode0x1810 of the component Metadata Handler. This manipulation causes heap-based overflow. This vulnerability is tracked as CVE-2021-31292. No exploit exists.

Detailsinfo

A vulnerability has been found in Exiv2 0.27.3 (Image Processing Software) and classified as problematic. Affected by this vulnerability is the function CrwMap::encode0x1810 of the component Metadata Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect availability.

The weakness was disclosed 07/27/2021. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-31292. Technical details of the vulnerability are known, but there is no available exploit.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Image Processing Software

Name

Exiv2

Version

0.27.3

License

free

Website

Product: https://github.com/Exiv2/exiv2/

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: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Heap-based overflow
CWE: CWE-122 / CWE-119
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/15/2021 🔍
07/27/2021 +103 days 🔍
07/27/2021 +0 days 🔍
08/05/2021 +9 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2021-31292 (🔍)
GCVE (CVE): GCVE-0-2021-31292
GCVE (VulDB): GCVE-100-179707

Entryinfo

Created: 07/27/2021 10:12
Updated: 08/05/2021 11:49
Changes: 07/27/2021 10:12 (37), 08/05/2021 11:42 (2), 08/05/2021 11:49 (18)
Complete: 🔍
Cache ID: 216::103