Buffer overflow in libcurl - CVE-2017-8816

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Main Vulnerability Database Vulnerabilities #VU9458

Buffer overflow in libcurl - CVE-2017-8816

Published: November 30, 2017 / Updated: November 30, 2017


Vulnerability identifier: #VU9458
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-8816
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to buffer overflow in the NTLM authentication process. A remote unauthenticated attacker can use vectors involving long user and password fields, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.


Affected software

libcurl
Debian Linux
Amazon Linux AMI
Gentoo Linux
Arch Linux
macOS
Slackware Linux
Ubuntu
Fedora
curl (Alpine package)
curl
QLogic Virtual Fabric Extension Module for IBM BladeCenter

How to mitigate CVE-2017-8816

Update to version 7.57.0.

curl (Alpine package) - update to 7.57.0-r0
curl - addressed in versions 7.53.1-13.fc26, 7.55.1-8.fc27
QLogic Virtual Fabric Extension Module for IBM BladeCenter - update to 9.0.3.23.00

External References

Related Security Bulletins