جزئیات آسیب‌پذیری

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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.

• https://exim.org/static/doc/security/CVE-2018-6789.txt x_refsource_CONFIRM
• http://www.openwall.com/lists/oss-security/2018/02/07/2 mailing-listx_refsource_MLIST
• https://usn.ubuntu.com/3565-1/ vendor-advisoryx_refsource_UBUNTU
• http://openwall.com/lists/oss-security/2018/02/10/2 x_refsource_CONFIRM
• http://www.securitytracker.com/id/1040461 vdb-entryx_refsource_SECTRACK
• https://www.debian.org/security/2018/dsa-4110 vendor-advisoryx_refsource_DEBIAN
• https://www.exploit-db.com/exploits/44571/ exploitx_refsource_EXPLOIT-DB
• https://lists.debian.org/debian-lts-announce/2018/02/msg00009.html mailing-listx_refsource_MLIST
• https://git.exim.org/exim.git/commit/cf3cd306062a08969c41a1cdd32c6855f1abecf1 x_refsource_CONFIRM
• https://devco.re/blog/2018/03/06/exim-off-by-one-RCE-exploiting-CVE-2018-6789-en/ x_refsource_MISC
• http://www.securityfocus.com/bid/103049 vdb-entryx_refsource_BID
• https://www.exploit-db.com/exploits/45671/ exploitx_refsource_EXPLOIT-DB
• http://packetstormsecurity.com/files/162959/Exim-base64d-Buffer-Overflow.html x_refsource_MISC
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-6789 government-resource