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b6afedf1c5
4.76 is the security release that fixes CVE-2011-1764, format string
attack and information leak, both inside the DKIM code.
List of changes (ftp://exim.inode.at/exim/ChangeLogs/ChangeLog-4.76):
PP/01 The new ldap_require_cert option would segfault if used. Fixed.
PP/02 Harmonised TLS library version reporting; only show if
debugging. Layout now matches that introduced for other
libraries in 4.74 PP/03.
PP/03 New openssl_options items: no_sslv2 no_sslv3 no_ticket no_tlsv1
PP/04 New "dns_use_edns0" global option.
PP/05 Don't segfault on misconfiguration of ref:name exim-user as uid.
Bugzilla 1098.
PP/06 Extra paranoia around buffer usage at the STARTTLS transition.
nb: Exim is not vulnerable to http://www.kb.cert.org/vuls/id/555316
TK/01 Updated PolarSSL code to 0.14.2.
Bugzilla 1097. Patch from Andreas Metzler.
PP/07 Catch divide-by-zero in ${eval:...}.
Fixes bugzilla 1102.
PP/08 Condition negation of bool{}/bool_lax{} did not negate. Fixed.
Bugzilla 1104.
TK/02 Bugzilla 1106: CVE-2011-1764 - DKIM log line was subject to a
format-string attack -- SECURITY: remote arbitrary code execution.
TK/03 SECURITY - DKIM signature header parsing was double-expanded,
second time unintentionally subject to list matching rules,
letting the header cause arbitrary Exim lookups (of items which can
occur in lists, *not* arbitrary string expansion). This allowed for
information disclosure.
PP/09 Fix another SIGFPE (x86) in ${eval:...} expansion, this time related
to INT_MIN/-1 -- value coerced to INT_MAX.
New stuff (ftp://exim.inode.at/exim/ChangeLogs/NewStuff-4.76):
1. The global option "dns_use_edns0" may be set to coerce EDNS0 usage
on or off in the resolver library.
And I am also adding patch for exiqgrep that was taken from
http://bugs.exim.org/show_bug.cgi?id=1103 [1].
PR: ports/156903 [2], ports/156872 [3]
Reported-by: Oliver Brandmueller <ob@e-gitt.net> [1], admin@anes.su [2], Alexander Wittig <alexander@wittig.name> [3]
Approved-by: erwin (mentor)
Feature-safe: yes
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