Vulnerability identifier: #VU74201
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-119
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Zstandard
Universal components / Libraries /
Libraries used by multiple products
Vendor: Facebook Inc.
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in util.c when processing empty arguments in the command line tool. A remote attacker can pass an empty string as an argument, trigger buffer underflow and crash the application.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Zstandard: 1.4.0 - 1.4.10, 1.5.0 - 1.5.2, 1.3.0 - 1.3.8, 1.2.0, 1.1.0 - 1.1.4, 1.0.0
External links
http://github.com/facebook/zstd/pull/3220
http://bugzilla.redhat.com/show_bug.cgi?id=2179864
http://bugzilla.suse.com/show_bug.cgi?id=1209533
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.