CVE-2018-6789 · netVigilance record NV21-0043
Exim Buffer Overflow
past due ransomware
What to do
Apply updates per vendor instructions.
CISA deadline 2022-05-03 · passed 4 years 4 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
Exim contains a buffer overflow vulnerability in the base64d function part of the SMTP listener that may allow for remote code execution.
Who is affected
Exim Exim. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-119.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 4 years 4 months ago
Sources
- NVD entry for CVE-2018-6789 nvd.nist.gov/vuln/detail/CVE-2018-6789
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2018-6789