summaryrefslogtreecommitdiffstats
path: root/source/a/infozip/unzip-patches/unzip-6.0-cve-2014-8139.patch
diff options
context:
space:
mode:
Diffstat (limited to 'source/a/infozip/unzip-patches/unzip-6.0-cve-2014-8139.patch')
-rw-r--r--source/a/infozip/unzip-patches/unzip-6.0-cve-2014-8139.patch79
1 files changed, 79 insertions, 0 deletions
diff --git a/source/a/infozip/unzip-patches/unzip-6.0-cve-2014-8139.patch b/source/a/infozip/unzip-patches/unzip-6.0-cve-2014-8139.patch
new file mode 100644
index 000000000..226b35ac6
--- /dev/null
+++ b/source/a/infozip/unzip-patches/unzip-6.0-cve-2014-8139.patch
@@ -0,0 +1,79 @@
+diff --git a/extract.c b/extract.c
+index 9ef80b3..c741b5f 100644
+--- a/extract.c
++++ b/extract.c
+@@ -1,5 +1,5 @@
+ /*
+- Copyright (c) 1990-2009 Info-ZIP. All rights reserved.
++ Copyright (c) 1990-2014 Info-ZIP. All rights reserved.
+
+ See the accompanying file LICENSE, version 2009-Jan-02 or later
+ (the contents of which are also included in unzip.h) for terms of use.
+@@ -298,6 +298,8 @@ char ZCONST Far TruncNTSD[] =
+ #ifndef SFX
+ static ZCONST char Far InconsistEFlength[] = "bad extra-field entry:\n \
+ EF block length (%u bytes) exceeds remaining EF data (%u bytes)\n";
++ static ZCONST char Far TooSmallEBlength[] = "bad extra-field entry:\n \
++ EF block length (%u bytes) invalid (< %d)\n";
+ static ZCONST char Far InvalidComprDataEAs[] =
+ " invalid compressed data for EAs\n";
+ # if (defined(WIN32) && defined(NTSD_EAS))
+@@ -2020,7 +2022,8 @@ static int TestExtraField(__G__ ef, ef_len)
+ ebID = makeword(ef);
+ ebLen = (unsigned)makeword(ef+EB_LEN);
+
+- if (ebLen > (ef_len - EB_HEADSIZE)) {
++ if (ebLen > (ef_len - EB_HEADSIZE))
++ {
+ /* Discovered some extra field inconsistency! */
+ if (uO.qflag)
+ Info(slide, 1, ((char *)slide, "%-22s ",
+@@ -2155,11 +2158,29 @@ static int TestExtraField(__G__ ef, ef_len)
+ }
+ break;
+ case EF_PKVMS:
+- if (makelong(ef+EB_HEADSIZE) !=
+- crc32(CRCVAL_INITIAL, ef+(EB_HEADSIZE+4),
+- (extent)(ebLen-4)))
+- Info(slide, 1, ((char *)slide,
+- LoadFarString(BadCRC_EAs)));
++ /* 2015-01-30 SMS. Added sufficient-bytes test/message
++ * here. (Removed defective ebLen test above.)
++ *
++ * If sufficient bytes (EB_PKVMS_MINLEN) are available,
++ * then compare the stored CRC value with the calculated
++ * CRC for the remainder of the data (and complain about
++ * a mismatch).
++ */
++ if (ebLen < EB_PKVMS_MINLEN)
++ {
++ /* Insufficient bytes available. */
++ Info( slide, 1,
++ ((char *)slide, LoadFarString( TooSmallEBlength),
++ ebLen, EB_PKVMS_MINLEN));
++ }
++ else if (makelong(ef+ EB_HEADSIZE) !=
++ crc32(CRCVAL_INITIAL,
++ (ef+ EB_HEADSIZE+ EB_PKVMS_MINLEN),
++ (extent)(ebLen- EB_PKVMS_MINLEN)))
++ {
++ Info(slide, 1, ((char *)slide,
++ LoadFarString(BadCRC_EAs)));
++ }
+ break;
+ case EF_PKW32:
+ case EF_PKUNIX:
+diff --git a/unzpriv.h b/unzpriv.h
+index 005cee0..5c83a6e 100644
+--- a/unzpriv.h
++++ b/unzpriv.h
+@@ -1806,6 +1806,8 @@
+ #define EB_NTSD_VERSION 4 /* offset of NTSD version byte */
+ #define EB_NTSD_MAX_VER (0) /* maximum version # we know how to handle */
+
++#define EB_PKVMS_MINLEN 4 /* minimum data length of PKVMS extra block */
++
+ #define EB_ASI_CRC32 0 /* offset of ASI Unix field's crc32 checksum */
+ #define EB_ASI_MODE 4 /* offset of ASI Unix permission mode field */
+
+