CVE-2018-17942 Information

Description

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.

CVSS Vector

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

Reference

https://github.com/coreutils/gnulib/commit/278b4175c9d7dd47c1a3071554aac02add3b3c35 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A5UQRNQE6XHMD5UYYHAU3VQWAYHIPMQS/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TMGHTVYH3KAFN34QXNSGEQDSTV7MCOQW/ https://lists.gnu.org/archive/html/bug-gnulib/2018-09/msg00107.html https://savannah.gnu.org/bugs/?func=detailitem&item_id=54686

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8