Denial of service in Libtiff



Published: 2023-07-31
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-2908
CWE-ID CWE-476
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		LibTIFF
Universal components / Libraries / Libraries used by multiple products

Vendor

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) NULL pointer dereference

EUVDB-ID: #VU78786

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-2908

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 exists due to a NULL pointer dereference error in tif_dir.c. A remote attacker can pass a specially crafted TIFF file to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

LibTIFF: before 4.5.1

External links

http://access.redhat.com/security/cve/CVE-2023-2908
http://bugzilla.redhat.com/show_bug.cgi?id=2218830
http://gitlab.com/libtiff/libtiff/-/commit/9bd48f0dbd64fb94dc2b5b05238fde0bfdd4ff3f
http://gitlab.com/libtiff/libtiff/-/merge_requests/479


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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



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