From a544b00c0bb8d3d4363cf9bc97a6954e1125d831 Mon Sep 17 00:00:00 2001 From: CentOS Sources Date: Mar 28 2023 09:22:17 +0000 Subject: import zlib-1.2.11-21.el8_7 --- diff --git a/SOURCES/zlib-1.2.11-IBM-Z-hw-accelrated-deflate-strm-adler-fix.patch b/SOURCES/zlib-1.2.11-IBM-Z-hw-accelrated-deflate-strm-adler-fix.patch new file mode 100644 index 0000000..8f70f9b --- /dev/null +++ b/SOURCES/zlib-1.2.11-IBM-Z-hw-accelrated-deflate-strm-adler-fix.patch @@ -0,0 +1,11 @@ +--- a/contrib/s390/dfltcc.c ++++ b/contrib/s390/dfltcc.c +@@ -623,7 +623,7 @@ + state->bits = param->sbb; + state->whave = param->hl; + state->wnext = (param->ho + param->hl) & ((1 << HB_BITS) - 1); +- state->check = state->flags ? ZSWAP32(param->cv) : param->cv; ++ strm->adler = state->check = state->flags ? ZSWAP32(param->cv) : param->cv; + if (cc == DFLTCC_CC_OP2_CORRUPT && param->oesc != 0) { + /* Report an error if stream is corrupted */ + state->mode = BAD; diff --git a/SOURCES/zlib-1.2.11-cve-2022-37434.patch b/SOURCES/zlib-1.2.11-cve-2022-37434.patch new file mode 100644 index 0000000..1f3aa8d --- /dev/null +++ b/SOURCES/zlib-1.2.11-cve-2022-37434.patch @@ -0,0 +1,35 @@ +From eff308af425b67093bab25f80f1ae950166bece1 Mon Sep 17 00:00:00 2001 +From: Mark Adler +Date: Sat, 30 Jul 2022 15:51:11 -0700 +Subject: [PATCH] Fix a bug when getting a gzip header extra field with + inflate(). + +If the extra field was larger than the space the user provided with +inflateGetHeader(), and if multiple calls of inflate() delivered +the extra header data, then there could be a buffer overflow of the +provided space. This commit assures that provided space is not +exceeded. +--- + inflate.c | 5 +++-- + 1 file changed, 3 insertions(+), 2 deletions(-) + +diff --git a/inflate.c b/inflate.c +index 7be8c63..7a72897 100644 +--- a/inflate.c ++++ b/inflate.c +@@ -763,9 +763,10 @@ int flush; + copy = state->length; + if (copy > have) copy = have; + if (copy) { ++ len = state->head->extra_len - state->length; + if (state->head != Z_NULL && +- state->head->extra != Z_NULL) { +- len = state->head->extra_len - state->length; ++ state->head->extra != Z_NULL && ++ len < state->head->extra_max) { + zmemcpy(state->head->extra + len, next, + len + copy > state->head->extra_max ? + state->head->extra_max - len : copy); +-- +2.35.3 + diff --git a/SOURCES/zlib-1.2.11-cve-2022-37434_2.patch b/SOURCES/zlib-1.2.11-cve-2022-37434_2.patch new file mode 100644 index 0000000..d0e9d1b --- /dev/null +++ b/SOURCES/zlib-1.2.11-cve-2022-37434_2.patch @@ -0,0 +1,32 @@ +From 1eb7682f845ac9e9bf9ae35bbfb3bad5dacbd91d Mon Sep 17 00:00:00 2001 +From: Mark Adler +Date: Mon, 8 Aug 2022 10:50:09 -0700 +Subject: [PATCH] Fix extra field processing bug that dereferences NULL + state->head. + +The recent commit to fix a gzip header extra field processing bug +introduced the new bug fixed here. +--- + inflate.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/inflate.c b/inflate.c +index 7a72897..2a3c4fe 100644 +--- a/inflate.c ++++ b/inflate.c +@@ -763,10 +763,10 @@ int flush; + copy = state->length; + if (copy > have) copy = have; + if (copy) { +- len = state->head->extra_len - state->length; + if (state->head != Z_NULL && + state->head->extra != Z_NULL && +- len < state->head->extra_max) { ++ (len = state->head->extra_len - state->length) < ++ state->head->extra_max) { + zmemcpy(state->head->extra + len, next, + len + copy > state->head->extra_max ? + state->head->extra_max - len : copy); +-- +2.35.3 + diff --git a/SPECS/zlib.spec b/SPECS/zlib.spec index 97ad27d..acf66c0 100644 --- a/SPECS/zlib.spec +++ b/SPECS/zlib.spec @@ -3,7 +3,7 @@ Name: zlib Version: 1.2.11 -Release: 19%{?dist} +Release: 21%{?dist} Summary: The compression and decompression library # /contrib/dotzlib/ have Boost license License: zlib and Boost @@ -35,6 +35,13 @@ Patch10: zlib-1.2.11-CVE-2018-25032.patch # Fix the compressBound() on z15 Patch11: zlib-1.2.11-IBM-Z-hw-accelrated-deflate-compressBound-fix.patch +# Fix CVE-2022-37434 +Patch12: zlib-1.2.11-cve-2022-37434.patch +Patch13: zlib-1.2.11-cve-2022-37434_2.patch + +# Fix setting strm.adler on z15 +Patch14: zlib-1.2.11-IBM-Z-hw-accelrated-deflate-strm-adler-fix.patch + BuildRequires: automake, autoconf, libtool %description @@ -98,6 +105,10 @@ developing applications which use minizip. %patch9 -p1 %patch10 -p1 %patch11 -p1 +%patch12 -p1 +%patch13 -p1 +%patch14 -p1 + iconv -f iso-8859-2 -t utf-8 < ChangeLog > ChangeLog.tmp mv ChangeLog.tmp ChangeLog @@ -177,6 +188,13 @@ find $RPM_BUILD_ROOT -name '*.la' -delete %changelog +* Wed Oct 12 2022 Ilya Leoshkevich - 1.2.11-21 +- Fix for IBM strm.adler rhbz#2134074 + +* Tue Aug 09 2022 Matej Mužila - 1.2.11-20 +- Fix heap-based buffer over-read or buffer overflow in inflate in inflate.c +- Resolves: CVE-2022-37434 + * Mon May 16 2022 Lukas Javorsky - 1.2.11-19 - Apply IBM patch for compressBound() function - Source from https://github.com/madler/zlib/issues/410#issuecomment-947212824