onyx --cves cve-2018-6789
CVE-2018-6789
- score
- <0.1
- cvss
- 9.8
- epss
- 82.1%
- published
- 2018-02-08
- kev added
- 2021-11-03
- first seen
Exim before 4.90.1 contains a buffer overflow caused by crafted input in the base64d function of the SMTP listener, letting remote attackers execute arbitrary code, exploit requires sending a malicious message.
Timeline
How this CVE moved toward exploitation. Chart: last 30 days — trend score, EPSS, community mentions per day; hover the event lane.
- Published
- Added to CISA KEV
- Tracked by Onyx
- Public PoC https://www.exploit-db.com/exploits/44571/
Exploit availability
Weaknesses
References 16
- https://nvd.nist.gov/vuln/detail/CVE-2018-6789
- https://www.exploit-db.com/exploits/44571/
- https://exim.org/static/doc/security/CVE-2018-6789.txt
- https://www.debian.org/security/2018/dsa-4110
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-6789
- https://git.exim.org/exim.git/commit/cf3cd306062a08969c41a1cdd32c6855f1abecf1
- https://www.trustwave.com/hubfs/Web/Library/Documents_pdf/2024_Trustwave_Professional_Services_Sector_Threat_Landscape.pdf
- https://www.csk.gov.in/alerts/STOP_ransomware.html
- https://www.exploit-db.com/exploits/45671/
- https://media.defense.gov/2020/Oct/20/2002519884/-1/-1/0/CSA_CHINESE_EXPLOIT_VULNERABILITIES_UOO179811.PDF
- http://openwall.com/lists/oss-security/2018/02/10/2
- https://lists.debian.org/debian-lts-announce/2018/02/msg00009.html
- https://usn.ubuntu.com/3565-1/
- http://packetstormsecurity.com/files/162959/Exim-base64d-Buffer-Overflow.html
- http://www.openwall.com/lists/oss-security/2018/02/07/2
- https://devco.re/blog/2018/03/06/exim-off-by-one-RCE-exploiting-CVE-2018-6789-en/