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Exim memory corruption and remote code execution
updated since 12.12.2010
Published:03.02.2011
Source:
SecurityVulns ID:11287
Type:remote
Threat Level:
9/10
Affected:EXIM : exim 4.69
 EXIM : exim 4.72
CVE:CVE-2011-0017 (The open_log function in log.c in Exim 4.72 and earlier 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.)
 CVE-2010-4345 (Exim 4.72 and earlier 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.)
 CVE-2010-4344 (Heap-based buffer overflow in the string_vformat function in string.c in Exim before 4.70 allows remote attackers to execute arbitrary code via an SMTP session that includes two MAIL commands in conjunction with a large message containing crafted headers, leading to improper rejection logging.)
Original documentdocumentDEBIAN, [SECURITY] [DSA-2154-1] exim4 security update (03.02.2011)
 documentEXIM, Exim security issue in historical release (13.12.2010)
 documentDEBIAN, [SECURITY] [DSA-2131-1] New exim4 packages fix remote code execution (12.12.2010)

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