Exiv2 up to 0.27.3 Metadata heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Exiv2 up to 0.27.3. This issue affects some unknown processing of the component Metadata Handler. Such manipulation leads to heap-based overflow. This vulnerability is referenced as CVE-2021-29457. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Exiv2 up to 0.27.3 (Image Processing Software) and classified as critical. Affected by this issue is some unknown functionality of the component Metadata Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to 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(). Impacted is confidentiality, integrity, and availability.

The weakness was published 04/20/2021. The advisory is available at github.com. This vulnerability is handled as CVE-2021-29457. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 208570 (CentOS 7 : compat-exiv2-023 (RHSA-2021:3234)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 0.27.4 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.

The vulnerability is also documented in the vulnerability database at Tenable (208570). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 208570
Nessus Name: CentOS 7 : compat-exiv2-023 (RHSA-2021:3234)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Exiv2 0.27.4
Patch: github.com

Timelineinfo

03/30/2021 🔍
04/20/2021 +21 days 🔍
04/20/2021 +0 days 🔍
10/15/2024 +1274 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-29457 (🔍)
GCVE (CVE): GCVE-0-2021-29457
GCVE (VulDB): GCVE-100-173210

Entryinfo

Created: 04/20/2021 07:07
Updated: 10/15/2024 18:33
Changes: 04/20/2021 07:07 (40), 04/23/2021 12:05 (5), 04/28/2021 08:18 (18), 10/15/2024 18:33 (17)
Complete: 🔍
Cache ID: 216::103

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

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