Buffer overflow in Pillow - CVE-2020-10379
Published: July 1, 2020
Vulnerability identifier: #VU29440
CSH Severity: High
CVSS v4.0: 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-2020-10379
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Alex Clark and Contributors
Affected software:
Pillow
Pillow
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in "libImaging/TiffDecode.c". 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.
How to mitigate CVE-2020-10379
Install updates from vendor's website.
Sources
- https://github.com/python-pillow/Pillow/commit/46f4a349b88915787fea3fb91348bb1665831bbb#diff-9478f2787e3ae9668a15123b165c23ac
- https://github.com/python-pillow/Pillow/commits/master/src/libImaging
- https://github.com/python-pillow/Pillow/pull/4538
- https://pillow.readthedocs.io/en/stable/releasenotes/6.2.3.html
- https://pillow.readthedocs.io/en/stable/releasenotes/7.1.0.html