#VU15673 Heap-based buffer overflow in libcurl - CVE-2018-16842

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Main Vulnerability Database Vulnerabilities #VU15673

#VU15673 Heap-based buffer overflow in libcurl - CVE-2018-16842

Published: November 1, 2018


Vulnerability identifier: #VU15673
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-16842
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
libcurl
Software vendor:
curl.haxx.se

Description

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

The vulnerability exists due to heap-based buffer over-read in the tool_msgs.c:voutf() function. A remote unauthenticated attacker can specially crafted data, trigger memory corruption to read back out-of-buffer data and cause the service to crash.


Remediation

Update to version 7.62.0.

External links