Out-of-bounds write in musl libc - CVE-2019-14697
Published: April 27, 2020
Vulnerability identifier: #VU27334
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-14697
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GNU
Affected software:
musl libc
musl libc
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to x87 floating-point stack adjustment imbalance, related to the math/i386/ directory. A remote attacker can pass specially crafted data to the application, trigger out-of-bounds write and execute arbitrary code on the target system.
How to mitigate CVE-2019-14697
Install updates from vendor's website.