#VU53844 Heap-based buffer overflow in libwebp
Vulnerability identifier: #VU53844
Vulnerability risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-122
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
libwebp
Other software /
Other software solutions
Vendor: developers.google.com
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in PutLE16() function in libwebp. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
libwebp: 0.1.2 - 1.0.1 rc2
External links
http://bugzilla.redhat.com/show_bug.cgi?id=1956919
http://lists.debian.org/debian-lts-announce/2021/06/msg00005.html
http://lists.debian.org/debian-lts-announce/2021/06/msg00006.html
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.
