CVE-2020-28009 — Integer Overflow or Wraparound in Exim
Severity
7.8HIGHNVD
EPSS
0.2%
top 59.98%
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 Integer Overflow to Buffer Overflow because get_stdinput allows unbounded reads that are accompanied by unbounded increases in a certain size variable. NOTE: exploitation may be impractical because of the execution time needed to overflow (multiple days).
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