diff options
| author | Denys Vlasenko <vda.linux@googlemail.com> | 2014-06-30 10:14:34 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2014-06-30 10:14:34 +0200 |
| commit | a9dc7c2f59dc5e92870d2d46316ea5c1f14740e3 (patch) | |
| tree | 0c3b2ff86a761578247db504d8e742d55071b4a8 /archival/libarchive/liblzo.h | |
| parent | 1b487ea8a69ac90b530e9ccd161a5b1b21e604c7 (diff) | |
lzop: add overflow check
See CVE-2014-4607
http://www.openwall.com/lists/oss-security/2014/06/26/20
function old new delta
lzo1x_decompress_safe 1010 1031 +21
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'archival/libarchive/liblzo.h')
| -rw-r--r-- | archival/libarchive/liblzo.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/archival/libarchive/liblzo.h b/archival/libarchive/liblzo.h index 843997cb9..4596620fe 100644 --- a/archival/libarchive/liblzo.h +++ b/archival/libarchive/liblzo.h @@ -76,11 +76,13 @@ # define TEST_IP (ip < ip_end) # define NEED_IP(x) \ if ((unsigned)(ip_end - ip) < (unsigned)(x)) goto input_overrun +# define TEST_IV(x) if ((x) > (unsigned)0 - (511)) goto input_overrun # undef TEST_OP /* don't need both of the tests here */ # define TEST_OP 1 # define NEED_OP(x) \ if ((unsigned)(op_end - op) < (unsigned)(x)) goto output_overrun +# define TEST_OV(x) if ((x) > (unsigned)0 - (511)) goto output_overrun #define HAVE_ANY_OP 1 |