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CVE-2018-17942

Published: 3 October 2018

The convert_to_decimal function in vasnprintf.c in Gnulib before 2018-09-23 has a heap-based buffer overflow because memory is not allocated for a trailing '\0' character during %f processing.

Priority

Medium

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
gnulib
Launchpad, Ubuntu, Debian
bionic
Released (20140202stable-2deb8u1build0.18.04.1)
cosmic
Released (20140202+stable-3.1~build0.18.10.1)
disco Not vulnerable
(20140202+stable-3.1)
trusty Does not exist
(trusty was needed)
upstream
Released (20140202+stable-2+deb8u1)
xenial
Released (20140202stable-2deb8u1build0.16.04.1)

Severity score breakdown

Parameter Value
Base score 8.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H