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exim exim vulnerabilities and exploits
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6.9
CVSSv2
CVE-2016-1531
Exim prior to 4.86.2, when installed setuid root, allows local users to gain privileges via the perl_startup argument.
Exim Exim
3 EDB exploits
6 Github repositories
5
CVSSv2
CVE-2020-28019
Exim 4 prior to 4.94.2 has Improper Initialization that can lead to recursion-based stack consumption or other consequences. This occurs because use of certain getc functions is mishandled when a client uses BDAT instead of DATA.
Exim Exim
9
CVSSv2
CVE-2020-28021
Exim 4 prior to 4.94.2 has Improper Neutralization of Line Delimiters. An authenticated remote SMTP client can insert newline characters into a spool file (which indirectly leads to remote code execution as root) via AUTH= in a MAIL FROM command.
Exim Exim
7.5
CVSSv2
CVE-2020-28022
Exim 4 prior to 4.94.2 has Improper Restriction of Write Operations within the Bounds of a Memory Buffer. This occurs when processing name=value pairs within MAIL FROM and RCPT TO commands.
Exim Exim
5
CVSSv2
CVE-2020-28023
Exim 4 prior to 4.94.2 allows Out-of-bounds Read. smtp_setup_msg may disclose sensitive information from process memory to an unauthenticated SMTP client.
Exim Exim
7.5
CVSSv2
CVE-2020-28024
Exim 4 prior to 4.94.2 allows Buffer Underwrite that may result in unauthenticated remote attackers executing arbitrary commands, because smtp_ungetc was only intended to push back characters, but can actually push back non-character error codes such as EOF.
Exim Exim
5
CVSSv2
CVE-2020-28025
Exim 4 prior to 4.94.2 allows Out-of-bounds Read because pdkim_finish_bodyhash does not validate the relationship between sig->bodyhash.len and b->bh.len; thus, a crafted DKIM-Signature header might lead to a leak of sensitive information from process memory.
Exim Exim
9.3
CVSSv2
CVE-2020-28026
Exim 4 prior to 4.94.2 has Improper Neutralization of Line Delimiters, relevant in non-default configurations that enable Delivery Status Notification (DSN). Certain uses of ORCPT= can place a newline into a spool header file, and indirectly allow unauthenticated remote malicious...
Exim Exim
2 Github repositories
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-2020-28007
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
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
validation
CVE-2012-1823
malicious code
CVE-2024-5770
CVE-2023-45866
CVE-2024-35687
local users
CVE-2024-31246
CVE-2024-35730
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