CVE-2020-28009
high
CVSS v3
—
CVSS v2
—
VIR risk
8.0
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).
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-28009
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 4.94.2-1 | |
| debian | bookworm | fixed | 4.94.2-1 |
| debian | bullseye | fixed | 4.94.2-1 |
| debian | forky | fixed | 4.94.2-1 |
| debian | sid | fixed | 4.94.2-1 |
| debian | trixie | fixed | 4.94.2-1 |
References
Verify integrity in audit chain (admin only). AS-IS.