Use-after-free error in libcurl - CVE-2018-16840
Published: November 1, 2018 / Updated: November 1, 2018
Vulnerability identifier: #VU15672
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-16840
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: curl.haxx.se
Affected software:
libcurl
libcurl
Detailed vulnerability description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to use-after-free error in closing an easy handle in the 'Curl_close()' function. A remote unauthenticated attacker can specially crafted data, trigger memory corruption and cause the service to crash.
How to mitigate CVE-2018-16840
Update to version 7.62.0.