Ubuntu update for pillow

Published: 2021-01-20

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-10177 CVE-2020-35653
CWE-ID	CWE-125
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Ubuntu Operating systems & Components / Operating system python-pil (Ubuntu package) Operating systems & Components / Operating system package or component python3-pil (Ubuntu package) Operating systems & Components / Operating system package or component
Vendor	Canonical Ltd.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds read

EUVDB-ID: #VU29436

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-10177

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition in "libImaging/FliDecode.c". A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Update the affected package pillow to the latest version.

Vulnerable software versions

Ubuntu: 14.04

python-pil (Ubuntu package): before 2.3.0-1ubuntu3.4+esm2

python3-pil (Ubuntu package): before 2.3.0-1ubuntu3.4+esm2

CPE2.3

External links

https://ubuntu.com/security/notices/USN-4697-2

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.

2) Out-of-bounds read

EUVDB-ID: #VU49383

Risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-35653