exim exim 4.43 vulnerabilities and exploits

CVE-2010-2023

transports/appendfile.c in Exim prior to 4.72, when a world-writable sticky-bit mail directory is used, does not verify the st_nlink field of mailbox files, which allows local users to cause a denial of service or possibly gain privileges by creating a hard link to another user&#...

Exim Exim 4.10 Exim Exim 4.20 Exim Exim 4.68 Exim Exim 4.67 Exim Exim 4.60 Exim Exim 4.54 Exim Exim 4.34 Exim Exim 4.41 Exim Exim 4.42 Exim Exim Exim Exim 4.64 Exim Exim 4.63 Exim Exim 4.51 Exim Exim 4.70 Exim Exim 4.69 Exim Exim 4.62 Exim Exim 4.61 Exim Exim 4.44 Exim Exim 4.43 Exim Exim 4.21 Exim Exim 4.33 Exim Exim 4.50

392

VMScore

CVE-2010-2024

transports/appendfile.c in Exim prior to 4.72, when MBX locking is enabled, allows local users to change permissions of arbitrary files or create arbitrary files, and cause a denial of service or possibly gain privileges, via a symlink attack on a lockfile in /tmp/.

Exim Exim Exim Exim 4.70 Exim Exim 4.63 Exim Exim 4.62 Exim Exim 4.44 Exim Exim 4.43 Exim Exim 4.22 Exim Exim 4.21 Exim Exim 4.10 Exim Exim 4.20 Exim Exim 4.69 Exim Exim 4.68 Exim Exim 4.61 Exim Exim 4.60 Exim Exim 4.54 Exim Exim 4.34 Exim Exim 4.33 Exim Exim 4.41 Exim Exim 4.42 Exim Exim 4.65 Exim Exim 4.64 Exim Exim 4.51

409

VMScore

CVE-2014-2972

expand.c in Exim prior to 4.83 expands mathematical comparisons twice, which allows local users to gain privileges and execute arbitrary commands via a crafted lookup value.

Exim Exim 4.77 Exim Exim 4.76 Exim Exim 4.69 Exim Exim 4.68 Exim Exim 4.61 Exim Exim 4.60 Exim Exim 4.42 Exim Exim 4.41 Exim Exim 4.24 Exim Exim 4.23 Exim Exim 4.10 Exim Exim 4.05 Exim Exim 4.75 Exim Exim 4.74 Exim Exim 4.67 Exim Exim 4.66 Exim Exim 4.54 Exim Exim 4.53 Exim Exim 4.40 Exim Exim 4.34 Exim Exim 4.22 Exim Exim 4.21

605

VMScore

CVE-2014-2957

The dmarc_process function in dmarc.c in Exim prior to 4.82.1, when EXPERIMENTAL_DMARC is enabled, allows remote malicious users to execute arbitrary code via the From header in an email, which is passed to the expand_string function.

Exim Exim 4.77 Exim Exim 4.76 Exim Exim 4.75 Exim Exim 4.74 Exim Exim 4.60 Exim Exim 4.54 Exim Exim 4.53 Exim Exim 4.52 Exim Exim 4.24 Exim Exim 4.23 Exim Exim 4.22 Exim Exim 4.21 Exim Exim 4.20 Exim Exim 4.80.1 Exim Exim 4.72 Exim Exim 4.70 Exim Exim 4.65 Exim Exim 4.63 Exim Exim 4.61 Exim Exim 4.51 Exim Exim 4.44 Exim Exim 4.32

971

VMScore

CVE-2010-4344

Heap-based buffer overflow in the string_vformat function in string.c in Exim prior to 4.70 allows remote malicious users to execute arbitrary code via an SMTP session that includes two MAIL commands in conjunction with a large message containing crafted headers, leading to impro...

Exim Exim 2.11 Exim Exim 4.66 Exim Exim 4.10 Exim Exim 3.16 Exim Exim 3.21 Exim Exim 3.01 Exim Exim 3.31 Exim Exim 4.24 Exim Exim 3.33 Exim Exim 3.30 Exim Exim 4.30 Exim Exim 4.21 Exim Exim 4.03 Exim Exim 4.51 Exim Exim 4.67 Exim Exim 4.63 Exim Exim 4.00 Exim Exim 4.43 Exim Exim 4.22 Exim Exim 3.10 Exim Exim 4.40 Exim Exim 4.52

2 EDB exploits2 Nmap scripts2 Github repositories

780

VMScore

CVE-2011-1764

Format string vulnerability in the dkim_exim_verify_finish function in src/dkim.c in Exim prior to 4.76 might allow remote malicious users to execute arbitrary code or cause a denial of service (daemon crash) via format string specifiers in data used in DKIM logging, as demonstra...

Exim Exim 4.50 Exim Exim 4.44 Exim Exim 4.63 Exim Exim 4.62 Exim Exim 4.61 Exim Exim 4.21 Exim Exim 4.22 Exim Exim 4.41 Exim Exim 4.40 Exim Exim 4.03 Exim Exim 4.02 Exim Exim 3.32 Exim Exim 3.31 Exim Exim 3.14 Exim Exim 3.13 Exim Exim 2.12 Exim Exim 2.11 Exim Exim 4.74 Exim Exim Exim Exim 4.51 Exim Exim 4.30 Exim Exim 4.64

2 Nmap scripts1 Github repository

805

VMScore

CVE-2010-4345

Exim 4.72 and previous versions allows local users to gain privileges by leveraging the ability of the exim user account to specify an alternate configuration file with a directive that contains arbitrary commands, as demonstrated by the spool_directory directive.

Exim Exim 2.11 Exim Exim 4.70 Exim Exim 4.69 Exim Exim 4.66 Exim Exim 4.10 Exim Exim 3.16 Exim Exim 3.21 Exim Exim 3.01 Exim Exim 3.31 Exim Exim 4.24 Exim Exim 3.33 Exim Exim 3.30 Exim Exim Exim Exim 4.30 Exim Exim 4.21 Exim Exim 4.03 Exim Exim 4.51 Exim Exim 4.71 Exim Exim 4.67 Exim Exim 4.63 Exim Exim 4.00 Exim Exim 4.43

1 EDB exploit2 Metasploit modules2 Nmap scripts

614

VMScore

CVE-2011-0017

The open_log function in log.c in Exim 4.72 and previous versions does not check the return value from (1) setuid or (2) setgid system calls, which allows local users to append log data to arbitrary files via a symlink attack.

Exim Exim 4.43 Exim Exim 4.34 Exim Exim 4.61 Exim Exim 4.60 Exim Exim 4.42 Exim Exim 4.65 Exim Exim 4.32 Exim Exim 4.20 Exim Exim 4.02 Exim Exim 4.01 Exim Exim 3.30 Exim Exim 3.22 Exim Exim 3.12 Exim Exim 3.11 Exim Exim 2.11 Exim Exim 2.10 Exim Exim 4.69 Exim Exim 4.50 Exim Exim 4.44 Exim Exim 4.63 Exim Exim 4.62 Exim Exim 4.21

409

VMScore

CVE-2005-0022

Buffer overflow in the spa_base64_to_bits function in Exim prior to 4.43, as originally obtained from Samba code, and as called by the auth_spa_client function, may allow malicious users to execute arbitrary code during SPA authentication.

University Of Cambridge Exim University Of Cambridge Exim 4.41 University Of Cambridge Exim 4.42

730

VMScore

CVE-2005-0021

Multiple buffer overflows in Exim prior to 4.43 may allow malicious users to execute arbitrary code via (1) an IPv6 address with more than 8 components, as demonstrated using the -be command line option, which triggers an overflow in the host_aton function, or (2) the -bh command...

University Of Cambridge Exim University Of Cambridge Exim 4.41 University Of Cambridge Exim 4.42

2 EDB exploits

VMScore

CVSSv2

CVSSv3

VMScore

Recommendations:

client side CVE-2023-31889 template injection CVE-2024-4304 CVE-2006-4304 CVE-2024-33272 type confusion CVE-2024-21345 CVE-2024-33271

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