CVE-2018-6789

תיאור (מקור, אנגלית)

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.

מדדים

CVSS 3.1

9.8 (CRITICAL) מקור הציון: NVD CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — סבירות ניצול

82% (אחוזון 100) נכון ל-25/7/2026

CWE

CWE-120

מוצרים מושפעים

exim: exim; debian: debian linux; canonical: ubuntu linux

קישורים

• https://exim.org/static/doc/security/CVE-2018-6789.txt Vendor Advisory
• https://exim.org/static/doc/security/CVE-2018-6789.txt Vendor Advisory
• https://git.exim.org/exim.git/commit/cf3cd306062a08969c41a1cdd32c6855f1abecf1 Patch
• https://git.exim.org/exim.git/commit/cf3cd306062a08969c41a1cdd32c6855f1abecf1 Patch
• http://packetstormsecurity.com/files/162959/Exim-base64d-Buffer-Overflow.html ExploitThird Party AdvisoryVDB Entry
• https://devco.re/blog/2018/03/06/exim-off-by-one-RCE-exploiting-CVE-2018-6789-‮… ExploitThird Party Advisory
• https://www.exploit-db.com/exploits/44571/ ExploitThird Party AdvisoryVDB Entry
• https://www.exploit-db.com/exploits/45671/ ExploitThird Party AdvisoryVDB Entry
• http://packetstormsecurity.com/files/162959/Exim-base64d-Buffer-Overflow.html ExploitThird Party AdvisoryVDB Entry
• https://devco.re/blog/2018/03/06/exim-off-by-one-RCE-exploiting-CVE-2018-6789-‮… ExploitThird Party Advisory