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exim vulnerabilities and exploits
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6.3
CVSSv2
CVE-2021-27216
Exim 4 prior to 4.94.2 has Execution with Unnecessary Privileges. By leveraging a delete_pid_file race condition, a local user can delete arbitrary files as root. This involves the -oP and -oPX options.
Exim Exim
7.2
CVSSv2
CVE-2020-28009
Exim 4 prior to 4.94.2 allows Integer Overflow to Buffer Overflow because get_stdinput allows unbounded reads that are accompanied by unbounded increases in a certain size variable. NOTE: exploitation may be impractical because of the execution time needed to overflow (multiple d...
Exim Exim
7.2
CVSSv2
CVE-2020-28010
Exim 4 prior to 4.94.2 allows Out-of-bounds Write because the main function, while setuid root, copies the current working directory pathname into a buffer that is too small (on some common platforms).
Exim Exim
7.2
CVSSv2
CVE-2020-28011
Exim 4 prior to 4.94.2 allows Heap-based Buffer Overflow in queue_run via two sender options: -R and -S. This may cause privilege escalation from exim to root.
Exim Exim
7.2
CVSSv2
CVE-2020-28012
Exim 4 prior to 4.94.2 allows Exposure of File Descriptor to Unintended Control Sphere because rda_interpret uses a privileged pipe that lacks a close-on-exec flag.
Exim Exim
7.2
CVSSv2
CVE-2020-28013
Exim 4 prior to 4.94.2 allows Heap-based Buffer Overflow because it mishandles "-F '.('" on the command line, and thus may allow privilege escalation from any user to root. This occurs because of the interpretation of negative sizes in strncpy.
Exim Exim
5.6
CVSSv2
CVE-2020-28014
Exim 4 prior to 4.94.2 allows Execution with Unnecessary Privileges. The -oP option is available to the exim user, and allows a denial of service because root-owned files can be overwritten.
Exim Exim
7.2
CVSSv2
CVE-2020-28015
Exim 4 prior to 4.94.2 has Improper Neutralization of Line Delimiters. Local users can alter the behavior of root processes because a recipient address can have a newline character.
Exim Exim
7.5
CVSSv2
CVE-2020-28017
Exim 4 prior to 4.94.2 allows Integer Overflow to Buffer Overflow in receive_add_recipient via an e-mail message with fifty million recipients. NOTE: remote exploitation may be difficult because of resource consumption.
Exim Exim
2 Github repositories
7.5
CVSSv2
CVE-2020-28018
Exim 4 prior to 4.94.2 allows Use After Free in smtp_reset in certain situations that may be common for builds with OpenSSL.
Exim Exim
2 Github repositories
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2023-49223
CVE-2024-0044
information disclosure
CVE-2024-35753
HTML injection
CVE-2024-21306
CVE-2024-35733
SQL injection
CVE-2024-35732
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