Buffer overflow in py-pillow (Alpine package)

1) Buffer overflow

EUVDB-ID: #VU23911

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-5311

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists in the "ibImaging/SgiRleDecode.c" file due to a boundary error when processing an SGI image. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

py-pillow (Alpine package): 6.2.1-r0

CPE2.3

• cpe:2.3:o:alpine:py-pillow_alpine_package:6.2.1-r0:*:*:*:*:alpine_linux:*:3.11

External links

https://git.alpinelinux.org/aports/commit/?id=b3d3c96ba09dfe7996ec601b095fd466fa75abb5

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.