Unscored severity · published May 2, 2005
CVE-2005-0021
Multiple buffer overflows in Exim before 4.43 may allow attackers to execute arbitrary code via (1) an IPv6 address with more than 8 components, as demonstrated using the -be…
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CVSS
2.6%
EPSS
No
On KEV
Description
Multiple buffer overflows in Exim before 4.43 may allow attackers 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 line option or dnsdb PTR lookup, which triggers an overflow in the dns_build_reverse function.
Exploitation
Is it being used?
Exploit prediction (EPSS)2.6% · higher than 85% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EX
Exim · University OF Cambridge
through 4.40; 4.41; 4.42 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2005-0021
CVE.org
https://www.cve.org/CVERecord?id=CVE-2005-0021
ftp6.us.freebsd.org
http://ftp6.us.freebsd.org/pub/mail/exim/ChangeLogs/ChangeLog-4.44
Vendor Advisory
http://security.gentoo.org/glsa/glsa-200501-23.xml
Vendor Advisory
http://www.debian.org/security/2005/dsa-635
Vendor Advisory
http://www.debian.org/security/2005/dsa-637
www.exim.org
http://www.exim.org/mail-archives/exim-users/Week-of-Mon-20050103/msg00028.html
Vendor Advisory
http://www.idefense.com/application/poi/display?id=179&type=vulnerabilities
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