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exim exim vulnerabilities and exploits
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NA
CVE-2022-37452
Exim prior to 4.95 has a heap-based buffer overflow for the alias list in host_name_lookup in host.c when sender_host_name is set.
Exim Exim
Debian Debian Linux 10.0
1 Github repository
NA
CVE-2022-37451
Exim prior to 4.96 has an invalid free in pam_converse in auths/call_pam.c because store_free is not used after store_malloc.
Exim Exim
Fedoraproject Fedora 35
Fedoraproject Fedora 36
828
VMScore
CVE-2021-33912
libspf2 prior to 1.2.11 has a four-byte heap-based buffer overflow that might allow remote malicious users to execute arbitrary code (via an unauthenticated e-mail message from anywhere on the Internet) with a crafted SPF DNS record, because of incorrect sprintf usage in SPF_reco...
Libspf2 Project Libspf2
Debian Debian Linux 9.0
828
VMScore
CVE-2021-33913
libspf2 prior to 1.2.11 has a heap-based buffer overflow that might allow remote malicious users to execute arbitrary code (via an unauthenticated e-mail message from anywhere on the Internet) with a crafted SPF DNS record, because of SPF_record_expand_data in spf_expand.c. The a...
Libspf2 Project Libspf2
445
VMScore
CVE-2021-38371
The STARTTLS feature in Exim up to and including 4.94.2 allows response injection (buffering) during MTA SMTP sending.
Exim Exim
641
VMScore
CVE-2020-28007
Exim 4 prior to 4.94.2 allows Execution with Unnecessary Privileges. Because Exim operates as root in the log directory (owned by a non-root user), a symlink or hard link attack allows overwriting critical root-owned files anywhere on the filesystem.
Exim Exim
641
VMScore
CVE-2020-28008
Exim 4 prior to 4.94.2 allows Execution with Unnecessary Privileges. Because Exim operates as root in the spool directory (owned by a non-root user), an attacker can write to a /var/spool/exim4/input spool header file, in which a crafted recipient address can indirectly lead to c...
Exim Exim
641
VMScore
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
641
VMScore
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
498
VMScore
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
VMScore
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-22120
CVE-2024-35921
CVE-2024-35874
brute force
CVE-2024-36080
unprivileged
CVE-2024-35917
IDOR
CVE-2024-4947
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