Rewindex/CVEs

CVE-2018-6789: Exim Buffer Overflow Vulnerability

Description

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.

Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Status incidents that name it

No tracked status incident names this CVE.

Affected vendors and products

Exim: Exim

References

• CVE record on cve.org (opens in new tab)
• NVD entry (opens in new tab)
• openwall.com/lists/oss-security/2018/02/10/2 (opens in new tab)
• packetstormsecurity.com/files/162959/Exim-base64d-Buffer-Overflow.html (opens in new tab)
• devco.re/blog/2018/03/06/exim-off-by-one-RCE-exploiting-CVE-2018-6789-en/ (opens in new tab)
• exim.org/static/doc/security/CVE-2018-6789.txt (opens in new tab)
• git.exim.org/exim.git/commit/cf3cd306062a08969c41a1cdd32c6855f1abecf1 (opens in new tab)
• lists.debian.org/debian-lts-announce/2018/02/msg00009.html (opens in new tab)
• usn.ubuntu.com/3565-1/ (opens in new tab)
• www.debian.org/security/2018/dsa-4110 (opens in new tab)
• www.exploit-db.com/exploits/44571/ (opens in new tab)
• www.exploit-db.com/exploits/45671/ (opens in new tab)
• www.openwall.com/lists/oss-security/2018/02/07/2 (opens in new tab)
• www.securityfocus.com/bid/103049 (opens in new tab)
• www.securitytracker.com/id/1040461 (opens in new tab)

All CVEsMarkdownJSON

• CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
• This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
• Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
• EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)