#VU49383 Out-of-bounds read in Pillow


Published: 2021-01-11

Vulnerability identifier: #VU49383

Vulnerability risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-35653

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Pillow
Universal components / Libraries / Libraries used by multiple products

Vendor: Alex Clark and Contributors

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when processing PCX files. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Pillow: 7.0.0 - 8.0.1


External links
http://security.gentoo.org/glsa/202101-08
http://bugs.gentoo.org/763210


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.


Latest bulletins with this vulnerability