#VU76235 Improper synchronization in cURL - CVE-2023-28320
Published: May 17, 2023
Vulnerability identifier: #VU76235
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-28320
CWE-ID: CWE-662
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
cURL
cURL
Software vendor:
curl.haxx.se
curl.haxx.se
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper synchronization when resolving host names using the alarm() and siglongjmp() function. A remote attacker can force the application to crash by influencing contents of the global buffer.
Remediation
Install updates from vendor's website.