- 547656 CVE-2009-3626 perl: regexp matcher crash on invalid UTF-8
characters - 549306 version::Internals should be packaged in perl-version subpackage
This commit is contained in:
Marcela Mašláňová
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9b1e909266
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87
perl-5.10.1-CVE_2009_3626.patch
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87
perl-5.10.1-CVE_2009_3626.patch
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@ -0,0 +1,87 @@
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diff -up perl-5.10.1/ext/re/t/regop.t.git perl-5.10.1/ext/re/t/regop.t
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--- perl-5.10.1/ext/re/t/regop.t.git 2009-12-21 19:31:07.564141841 +0100
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+++ perl-5.10.1/ext/re/t/regop.t 2009-12-21 19:31:55.158142088 +0100
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@@ -233,12 +233,12 @@ anchored "ABC" at 0
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#Freeing REx: "(\\.COM|\\.EXE|\\.BAT|\\.CMD|\\.VBS|\\.VBE|\\.JS|\\.JSE|\\."......
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%MATCHED%
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floating ""$ at 3..4 (checking floating)
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-1:1[1] 3:2[1] 5:2[64] 45:83[1] 47:84[1] 48:85[0]
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-stclass EXACTF <.> minlen 3
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-Found floating substr ""$ at offset 30...
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-Does not contradict STCLASS...
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-Guessed: match at offset 26
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-Matching stclass EXACTF <.> against ".exe"
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+#1:1[1] 3:2[1] 5:2[64] 45:83[1] 47:84[1] 48:85[0]
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+#stclass EXACTF <.> minlen 3
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+#Found floating substr ""$ at offset 30...
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+#Does not contradict STCLASS...
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+#Guessed: match at offset 26
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+#Matching stclass EXACTF <.> against ".exe"
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---
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#Compiling REx "[q]"
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#size 12 nodes Got 100 bytes for offset annotations.
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@@ -258,4 +258,4 @@ Got 100 bytes for offset annotations.
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Offsets: [12]
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1:1[3] 3:4[0]
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%MATCHED%
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-Freeing REx: "[q]"
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\ No newline at end of file
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+Freeing REx: "[q]"
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diff -up perl-5.10.1/regcomp.c.git perl-5.10.1/regcomp.c
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--- perl-5.10.1/regcomp.c.git 2009-12-21 19:32:05.893141719 +0100
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+++ perl-5.10.1/regcomp.c 2009-12-21 19:33:35.106141384 +0100
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@@ -2820,13 +2820,16 @@ S_study_chunk(pTHX_ RExC_state_t *pRExC_
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}
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} else {
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/*
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- Currently we assume that the trie can handle unicode and ascii
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- matches fold cased matches. If this proves true then the following
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- define will prevent tries in this situation.
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-
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- #define TRIE_TYPE_IS_SAFE (UTF || optype==EXACT)
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-*/
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+ Currently we do not believe that the trie logic can
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+ handle case insensitive matching properly when the
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+ pattern is not unicode (thus forcing unicode semantics).
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+ If/when this is fixed the following define can be swapped
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+ in below to fully enable trie logic.
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#define TRIE_TYPE_IS_SAFE 1
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+
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+*/
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+#define TRIE_TYPE_IS_SAFE (UTF || optype==EXACT)
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+
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if ( last && TRIE_TYPE_IS_SAFE ) {
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make_trie( pRExC_state,
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startbranch, first, cur, tail, count,
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diff -up perl-5.10.1/regexec.c.git perl-5.10.1/regexec.c
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--- perl-5.10.1/regexec.c.git 2009-12-21 19:33:50.570141632 +0100
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+++ perl-5.10.1/regexec.c 2009-12-21 19:36:41.300142175 +0100
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@@ -1006,16 +1006,15 @@ Perl_re_intuit_start(pTHX_ REGEXP * cons
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#define REXEC_TRIE_READ_CHAR(trie_type, trie, widecharmap, uc, uscan, len, \
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uvc, charid, foldlen, foldbuf, uniflags) STMT_START { \
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- UV uvc_unfolded = 0; \
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switch (trie_type) { \
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case trie_utf8_fold: \
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if ( foldlen>0 ) { \
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- uvc_unfolded = uvc = utf8n_to_uvuni( uscan, UTF8_MAXLEN, &len, uniflags ); \
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+ uvc = utf8n_to_uvuni( uscan, UTF8_MAXLEN, &len, uniflags ); \
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foldlen -= len; \
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uscan += len; \
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len=0; \
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} else { \
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- uvc_unfolded = uvc = utf8n_to_uvuni( (U8*)uc, UTF8_MAXLEN, &len, uniflags ); \
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+ uvc = utf8n_to_uvuni( (U8*)uc, UTF8_MAXLEN, &len, uniflags ); \
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uvc = to_uni_fold( uvc, foldbuf, &foldlen ); \
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foldlen -= UNISKIP( uvc ); \
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uscan = foldbuf + UNISKIP( uvc ); \
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@@ -1054,9 +1053,6 @@ uvc, charid, foldlen, foldbuf, uniflags)
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charid = (U16)SvIV(*svpp); \
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} \
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} \
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- if (!charid && trie_type == trie_utf8_fold && !UTF) { \
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- charid = trie->charmap[uvc_unfolded]; \
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- } \
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} STMT_END
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#define REXEC_FBC_EXACTISH_CHECK(CoNd) \
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10
perl.spec
10
perl.spec
@ -7,7 +7,7 @@
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Name: perl
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Version: %{perl_version}
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Release: 107%{?dist}
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Release: 108%{?dist}
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Epoch: %{perl_epoch}
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Summary: Practical Extraction and Report Language
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Group: Development/Languages
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@ -65,6 +65,9 @@ Patch61: perl-much-better-swap-logic.patch
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# temporarily export debug symbols even though DEBUGGING is not set:
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Patch62: perl-add-symbols.patch
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# CVE_2009_3626 rhbz#547656
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Patch63: perl-5.10.1-CVE_2009_3626.patch
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# version macros for some of the modules:
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%define Archive_Extract_version 0.34
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%define Archive_Tar_version 1.52
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@ -918,6 +921,7 @@ upstream tarball from perl.org.
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%patch58 -p1
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%patch61 -p1
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%patch62 -p1
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%patch63 -p1
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#patch100 -p1
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#patch101 -p1
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@ -1854,6 +1858,10 @@ make test
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# Old changelog entries are preserved in CVS.
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%changelog
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* Tue Dec 22 2009 Marcela Mašláňová <mmaslano@redhat.com> - 4:5.10.1-108
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- 547656 CVE-2009-3626 perl: regexp matcher crash on invalid UTF-8 characters
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- 549306 version::Internals should be packaged in perl-version subpackage
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* Mon Dec 21 2009 Chris Weyl <cweyl@alumni.drew.edu> - 4:5.10.1-107
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- subpackage parent and Parse-CPAN-Meta; add them to core's dep list
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