Reachable Assertion in Glibc - CVE-2021-3326
Published: January 27, 2021 / Updated: January 28, 2021
Vulnerability identifier: #VU50075
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-3326
CWE-ID: CWE-617
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GNU
Affected software:
Glibc
Glibc
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a reachable assertion within the iconv function in the GNU C Library (aka glibc or libc6) when processing invalid input sequences in the ISO-2022-JP-3 encoding. A remote attacker can pass specially crafted data to the application, trigger an assertion failure and crash the affected application.
How to mitigate CVE-2021-3326
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.