by Kastro
Paper/Archive/CVE-2018-6789

CVE-2018-6789

Exim Exim — Exim Buffer Overflow Vulnerability

KEV · due 3 Mayransomware useEPSS 82%public exploitSSVC actCVSS 9.8
critical.is priorityof 100
99
CVSS 9.8 (ADP)9.8 / 10 × 3029.4In CISA KEV+3030.0EPSS percentile 99.7.997 × 2019.9Exploit: SSVC active+1010.0SSVC exploitation: active+1010.0
Description · from the CVE record

An issue was discovered in the base64d function in the SMTP listener in Exim before 4.90.1. By sending a handcrafted message, a buffer overflow may happen. This can be used to execute code remotely.

Affected

ProductAffectedFixed inSource
n/an/a–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: active · Automatable: yes · Technical impact: total

References

refexim.org/static/doc/security/CVE-2018-6789.txtrefopenwall.com/lists/oss-security/2018/02/07/2advisoryusn.ubuntu.com/3565-1refopenwall.com/lists/oss-security/2018/02/10/2refsecuritytracker.com/id/1040461advisorydebian.org/security/2018/dsa-4110exploitexploit-db.com/exploits/44571reflists.debian.org/debian-lts-announce/2018/02/msg00009.htmlrefgit.exim.org/exim.git/commit/cf3cd306062a08969c41a1cdd32c6855f1abecf1refdevco.re/blog/2018/03/06/exim-off-by-one-RCE-exploiting-CVE-2018-6789-enrefsecurityfocus.com/bid/103049exploitexploit-db.com/exploits/45671refpacketstormsecurity.com/files/162959/Exim-base64d-Buffer-Overflow.htmlrefcisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-6789kevcisa.gov/known-exploited-vulnerabilities-catalog