Denial of service in libjpeg-turbo

1) NULL pointer dereference

EUVDB-ID: #VU67589

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-2020-35538

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 the jcopy_sample_rows() function. A remote attacker can pass specially crafted input to the affected application and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

libjpeg-turbo: 2.0.0 - 2.0.5

CPE2.3

• cpe:2.3:a:the_libjpeg-turbo_project:libjpeg-turbo:2.0.0:*:*:*:*:*:*:
• cpe:2.3:a:the_libjpeg-turbo_project:libjpeg-turbo:2.0.1:*:*:*:*:*:*:
• cpe:2.3:a:the_libjpeg-turbo_project:libjpeg-turbo:2.0.2:*:*:*:*:*:*:

External links

http://github.com/libjpeg-turbo/libjpeg-turbo/commit/9120a247436e84c0b4eea828cb11e8f665fcde30
http://github.com/libjpeg-turbo/libjpeg-turbo/issues/441

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.