libsolv 2020-12-13 src/testcase.c testcase_read buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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3.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in libsolv 2020-12-13. This issue affects the function testcase_read of the file src/testcase.c. Executing a manipulation can lead to buffer overflow. This vulnerability is handled as CVE-2021-3200. Additionally, an exploit exists.

Detailsinfo

A vulnerability classified as problematic was found in libsolv 2020-12-13. This vulnerability affects the function testcase_read of the file src/testcase.c. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect availability.

The weakness was released 05/19/2021. The advisory is available at github.com. This vulnerability was named CVE-2021-3200. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

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

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.3

VulDB Base Score: 3.5
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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

01/22/2021 🔍
05/19/2021 +116 days 🔍
05/19/2021 +0 days 🔍
05/22/2021 +3 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2021-3200 (🔍)
GCVE (CVE): GCVE-0-2021-3200
GCVE (VulDB): GCVE-100-175366
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/19/2021 08:36
Updated: 05/22/2021 14:39
Changes: 05/19/2021 08:36 (39), 05/22/2021 14:39 (2)
Complete: 🔍
Cache ID: 216::103

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