diff options
Diffstat (limited to 'poky/meta/recipes-extended/unzip/unzip/18-cve-2014-9913-unzip-buffer-overflow.patch')
| -rw-r--r-- | poky/meta/recipes-extended/unzip/unzip/18-cve-2014-9913-unzip-buffer-overflow.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/poky/meta/recipes-extended/unzip/unzip/18-cve-2014-9913-unzip-buffer-overflow.patch b/poky/meta/recipes-extended/unzip/unzip/18-cve-2014-9913-unzip-buffer-overflow.patch new file mode 100644 index 000000000..3c02d596c --- /dev/null +++ b/poky/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 +CVE: CVE-2014-9913 +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? */ |
