CVE-2016-8618

critical

Description

The libcurl API function called `curl_maprintf()` before version 7.51.0 can be tricked into doing a double-free due to an unsafe `size_t` multiplication, on systems using 32 bit `size_t` variables.

References

http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html

http://www.securityfocus.com/bid/94098

http://www.securitytracker.com/id/1037192

https://access.redhat.com/errata/RHSA-2018:2486

https://access.redhat.com/errata/RHSA-2018:3558

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8618

https://curl.haxx.se/docs/adv_20161102D.html

https://security.gentoo.org/glsa/201701-47

https://www.tenable.com/security/tns-2016-21

Details

Source: MITRE

Published: 2018-07-31

Updated: 2018-11-13

Type: CWE-415

Risk Information

CVSS v2

Base Score: 7.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL