Denial of service in libcurl - CVE-2017-8818

 

Denial of service in libcurl - CVE-2017-8818

Published: November 30, 2017


Vulnerability identifier: #VU9460
CSH Severity: Low
CVSS v4: 6.9 [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]
CVE-ID: CVE-2017-8818
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to too little memory is allocated for interfacing to an SSL library. A remote attacker can trigger a memory allocation error in SSL-related code and cause the application to crash.


Affected software

libcurl
Arch Linux
Gentoo Linux
Slackware Linux
curl (Alpine package)
QLogic Virtual Fabric Extension Module for IBM BladeCenter

How to mitigate CVE-2017-8818

Update to version 7.57.0.

curl (Alpine package) - update to 7.57.0-r0
QLogic Virtual Fabric Extension Module for IBM BladeCenter - update to 9.0.3.23.00

External References

Related Security Bulletins