GNU Tar up to 1.33 Input File src/list.c memory leak

Summaryinfo

A vulnerability categorized as problematic has been discovered in GNU Tar up to 1.33. This affects an unknown function of the file src/list.c of the component Input File Handler. Such manipulation leads to memory leak. This vulnerability is uniquely identified as CVE-2021-20193. The attack can be launched remotely. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in GNU Tar up to 1.33. It has been rated as problematic. Affected by this issue is an unknown functionality of the file src/list.c of the component Input File Handler. The manipulation with an unknown input leads to a memory leak vulnerability. Using CWE to declare the problem leads to CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. Impacted is availability.

The weakness was disclosed 03/27/2021. The advisory is shared for download at bugzilla.redhat.com. This vulnerability is handled as CVE-2021-20193. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.savannah.gnu.org.

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

Productinfo

Vendor

• GNU

Name

• Tar

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22
• 1.23
• 1.24
• 1.25
• 1.26
• 1.27
• 1.28
• 1.29
• 1.30
• 1.31
• 1.32
• 1.33

License

• open-source

Website

• Vendor: https://www.gnu.org/

CPE 2.3info

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CPE 2.2info

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Entryinfo

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