CVE-2010-4344: Exim Heap-Based Buffer Overflow Vulnerability
Heap-based buffer overflow in the string_vformat function in string.c in Exim before 4.70 allows remote attackers to execute arbitrary code via an SMTP session.
| Vendor | Exim |
|---|---|
| Product | Exim |
| Date added to KEV | 2022-03-25 |
| Due date (BOD 22-01) | 2022-04-15 |
| Known ransomware campaign use | Unknown |
| CWE | CWE-119 |
| Required action | Apply updates per vendor instructions. |
What to do
- Identify every instance of Exim Exim in your environment (asset inventory, EDR, vulnerability scanner).
- Apply CISA's required action: Apply updates per vendor instructions.
- Federal civilian agencies must act by 2022-04-15 under BOD 22-01; other organizations can use the same date as a target.
- Check the vendor advisory and NVD entry linked below for affected versions, then record the fix in your change log.
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Sources
- NVD entry for CVE-2010-4344 (severity scores, if any, live there)
- CISA KEV catalog entry
- https://nvd.nist.gov/vuln/detail/CVE-2010-4344