diff options
| author |   Zhixiong Chi <zhixiong.chi@windriver.com> | 2017-02-22 15:14:42 +0800 |
|---|---|---|
| committer |   Richard Purdie <richard.purdie@linuxfoundation.org> | 2017-03-01 12:54:21 +0000 |
| commit | fc386ed4afb76bd3e5a3afff54d7dc8dde14fe9c (patch) | |
| tree | 1f3aa2ca38829ef4da07e5fdc36764024ae3ed58 /meta/recipes-extended/unzip | |
| parent | f65baebafc3d1389c5e5000c6cd921b7569123a1 (diff) | |
| download | openembedded-core-fc386ed4afb76bd3e5a3afff54d7dc8dde14fe9c.tar.gz | |
unzip: CVE-2014-9913 CVE-2016-9844
Backport the patches for CVE-2014-9913 CVE-2016-9844
CVE-2016-9844:
Buffer overflow in the zi_short function in zipinfo.c in Info-Zip
UnZip 6.0 allows remote attackers to cause a denial of service
(crash) via a large compression method value in the central
directory file header.
CVE-2014-9913:
Buffer overflow in the list_files function in list.c in Info-Zip
UnZip 6.0 allows remote attackers to cause a denial of service
(crash) via vectors related to the compression method.
Patches come from:
https://github.com/NixOS/nixpkgs/blob/master/pkgs/tools/archivers/unzip/ or
https://release.debian.org/proposed-updates/stable_diffs/unzip_6.0-16+deb8u3.debdiff
Bug-Debian: https://bugs.debian.org/847486
Bug-Ubuntu: https://launchpad.net/bugs/1643750
(LOCAL REV: NOT UPSTREAM) --send to oe-core on 20170222
Signed-off-by: Zhixiong Chi <zhixiong.chi@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Diffstat (limited to 'meta/recipes-extended/unzip')
3 files changed, 68 insertions, 1 deletions
diff --git a/meta/recipes-extended/unzip/unzip/18-cve-2014-9913-unzip-buffer-overflow.patch b/meta/recipes-extended/unzip/unzip/18-cve-2014-9913-unzip-buffer-overflow.patch new file mode 100644 index 0000000000..eb76e2ea7d --- /dev/null +++ b/meta/recipes-extended/unzip/unzip/18-cve-2014-9913-unzip-buffer-overflow.patch @@ -0,0 +1,33 @@ +From: "Steven M. Schweda" <sms@antinode.info> +Subject: Fix CVE-2014-9913, buffer overflow in unzip +Bug: https://sourceforge.net/p/infozip/bugs/27/ +Bug-Debian: https://bugs.debian.org/847485 +Bug-Ubuntu: https://launchpad.net/bugs/387350 +X-Debian-version: 6.0-21 + +Upstream-Status: Backport + +Signed-off-by: Zhixiong Chi <zhixiong.chi@windriver.com> + +--- a/list.c ++++ b/list.c +@@ -339,7 +339,18 @@ + G.crec.compression_method == ENHDEFLATED) { + methbuf[5] = dtype[(G.crec.general_purpose_bit_flag>>1) & 3]; + } else if (methnum >= NUM_METHODS) { +- sprintf(&methbuf[4], "%03u", G.crec.compression_method); ++ /* 2013-02-26 SMS. ++ * http://sourceforge.net/p/infozip/bugs/27/ CVE-2014-9913. ++ * Unexpectedly large compression methods overflow ++ * &methbuf[]. Use the old, three-digit decimal format ++ * for values which fit. Otherwise, sacrifice the ++ * colon, and use four-digit hexadecimal. ++ */ ++ if (G.crec.compression_method <= 999) { ++ sprintf( &methbuf[ 4], "%03u", G.crec.compression_method); ++ } else { ++ sprintf( &methbuf[ 3], "%04X", G.crec.compression_method); ++ } + } + + #if 0 /* GRR/Euro: add this? */ diff --git a/meta/recipes-extended/unzip/unzip/19-cve-2016-9844-zipinfo-buffer-overflow.patch b/meta/recipes-extended/unzip/unzip/19-cve-2016-9844-zipinfo-buffer-overflow.patch new file mode 100644 index 0000000000..fd0c024d7e --- /dev/null +++ b/meta/recipes-extended/unzip/unzip/19-cve-2016-9844-zipinfo-buffer-overflow.patch @@ -0,0 +1,32 @@ +From: "Steven M. Schweda" <sms@antinode.info> +Subject: Fix CVE-2016-9844, buffer overflow in zipinfo +Bug-Debian: https://bugs.debian.org/847486 +Bug-Ubuntu: https://launchpad.net/bugs/1643750 +X-Debian-version: 6.0-21 + +Upstream-Status: Backport + +Signed-off-by: Zhixiong Chi <zhixiong.chi@windriver.com> + +--- a/zipinfo.c ++++ b/zipinfo.c +@@ -1921,7 +1921,18 @@ + ush dnum=(ush)((G.crec.general_purpose_bit_flag>>1) & 3); + methbuf[3] = dtype[dnum]; + } else if (methnum >= NUM_METHODS) { /* unknown */ +- sprintf(&methbuf[1], "%03u", G.crec.compression_method); ++ /* 2016-12-05 SMS. ++ * https://launchpad.net/bugs/1643750 ++ * Unexpectedly large compression methods overflow ++ * &methbuf[]. Use the old, three-digit decimal format ++ * for values which fit. Otherwise, sacrifice the "u", ++ * and use four-digit hexadecimal. ++ */ ++ if (G.crec.compression_method <= 999) { ++ sprintf( &methbuf[ 1], "%03u", G.crec.compression_method); ++ } else { ++ sprintf( &methbuf[ 0], "%04X", G.crec.compression_method); ++ } + } + + for (k = 0; k < 15; ++k) diff --git a/meta/recipes-extended/unzip/unzip_6.0.bb b/meta/recipes-extended/unzip/unzip_6.0.bb index 547379c0dc..d4ee487417 100644 --- a/meta/recipes-extended/unzip/unzip_6.0.bb +++ b/meta/recipes-extended/unzip/unzip_6.0.bb @@ -16,7 +16,9 @@ SRC_URI = "${SOURCEFORGE_MIRROR}/infozip/UnZip%206.x%20%28latest%29/UnZip%206.0/ file://11-cve-2014-8141-getzip64data.patch \ file://CVE-2015-7696.patch \ file://CVE-2015-7697.patch \ - file://fix-security-format.patch \ + file://fix-security-format.patch \ + file://18-cve-2014-9913-unzip-buffer-overflow.patch \ + file://19-cve-2016-9844-zipinfo-buffer-overflow.patch \ " SRC_URI[md5sum] = "62b490407489521db863b523a7f86375" |