CVE-2020-28013 — Out-of-bounds Write in Exim
Severity
7.8HIGHNVD
EPSS
0.2%
top 64.11%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Timeline
PublishedMay 6
Latest updateMay 24
Description
Exim 4 before 4.94.2 allows Heap-based Buffer Overflow because it mishandles "-F '.('" on the command line, and thus may allow privilege escalation from any user to root. This occurs because of the interpretation of negative sizes in strncpy.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9