Vulnerability Details CVE-2018-17942
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.021
EPSS Ranking 83.3%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 6.8
References
- https://github.com/coreutils/gnulib/commit/278b4175c9d7dd47c1a3071554aac02add3b3c35
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A5UQRNQE6XHMD5UYYHAU3VQWAYHIPMQS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.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
- https://github.com/coreutils/gnulib/commit/278b4175c9d7dd47c1a3071554aac02add3b3c35
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A5UQRNQE6XHMD5UYYHAU3VQWAYHIPMQS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.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