Denial of service in Libarchive



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-401
Exploitation vector Network
Public exploit N/A
Vulnerable software
 libarchive
Client/Desktop applications / Software for archiving

Vendor libarchive

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Memory leak

EUVDB-ID: #VU97647

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak when handling symbolic links or parsing pax headers. A remote attacker can force the application to leak memory and perform denial of service attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

libarchive: 3.0 - 3.7.5

CPE2.3 External links

https://github.com/libarchive/libarchive/releases/tag/v3.7.6


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to open a a specially crafted archive.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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