vulnerability
Exim: Heap out-of-bounds read in pdkim_finish_bodyhash() (CVE-2020-28025)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:P/I:N/A:N) | May 6, 2021 | May 13, 2021 | May 13, 2021 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
May 6, 2021
Added
May 13, 2021
Modified
May 13, 2021
Description
Exim 4 before 4.94.2 allows Out-of-bounds Read because pdkim_finish_bodyhash does not validate the relationship between sig->bodyhash.len and b->bh.len; thus, a crafted DKIM-Signature header might lead to a leak of sensitive information from process memory.
Solution
exim-upgrade-4_94_2
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