NULL pointer dereference in libarchive

1) NULL pointer dereference

EUVDB-ID: #VU113219

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-48615

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability occurs when running program bsdtar in function header_pax_extension() at rchive_read_support_format_tar.c:1844:8. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

libarchive: 2.6.0 - 3.7.6

CPE2.3

• cpe:2.3:a:libarchive:libarchive:2.6.0:*:*:*:*:*:*:*
• cpe:2.3:a:libarchive:libarchive:2.6.1:*:*:*:*:*:*:*
• cpe:2.3:a:libarchive:libarchive:2.6.2:*:*:*:*:*:*:*

External links

https://github.com/88Sanghy88/crash-test
https://github.com/88Sanghy88/crash-test
https://github.com/libarchive/libarchive/releases/download/v3.7.6/libarchive-3.7.6.tar.gz

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

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

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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