diff options
Diffstat (limited to 'media-sound/timidity++/files/timidity++-2.14.0-CVE-2017-11547.patch')
-rw-r--r-- | media-sound/timidity++/files/timidity++-2.14.0-CVE-2017-11547.patch | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/media-sound/timidity++/files/timidity++-2.14.0-CVE-2017-11547.patch b/media-sound/timidity++/files/timidity++-2.14.0-CVE-2017-11547.patch new file mode 100644 index 000000000000..12562a577e0e --- /dev/null +++ b/media-sound/timidity++/files/timidity++-2.14.0-CVE-2017-11547.patch @@ -0,0 +1,67 @@ +From 34328d22cbb4ccf03f29223f54f1834c796d86a2 Mon Sep 17 00:00:00 2001 +From: Takashi Iwai <tiwai@suse.de> +Date: Tue, 26 Jun 2018 22:31:28 +0200 +Subject: resample: Fix out-of-bound access in resamplers + +References: CVE-2017-11547 + +An adhoc fix for out-of-bound accesses in resamples. +The offset might overflow the given data range. + +Signed-off-by: Takashi Iwai <tiwai@suse.de> +bug-debian: https://bugs.debian.org/870338 +bug-suse: https://bugzilla.suse.com/show_bug.cgi?id=1081694 +origin: https://bugzilla.suse.com/attachment.cgi?id=760826 +--- + timidity/resample.c | 10 ++++++++++ + 1 file changed, 10 insertions(+) + +diff --git a/timidity/resample.c b/timidity/resample.c +index cd6b8e6..4a3fadf 100644 +--- a/timidity/resample.c ++++ b/timidity/resample.c +@@ -57,6 +57,8 @@ static resample_t resample_cspline(sample_t *src, splen_t ofs, resample_rec_t *r + { + int32 ofsi, ofsf, v0, v1, v2, v3, temp; + ++ if (ofs + (1 << FRACTION_BITS) >= rec->data_length) ++ return src[ofs >> FRACTION_BITS]; + ofsi = ofs >> FRACTION_BITS; + v1 = src[ofsi]; + v2 = src[ofsi + 1]; +@@ -96,6 +98,8 @@ static resample_t resample_lagrange(sample_t *src, splen_t ofs, resample_rec_t * + { + int32 ofsi, ofsf, v0, v1, v2, v3; + ++ if (ofs + (1 << FRACTION_BITS) >= rec->data_length) ++ return src[ofs >> FRACTION_BITS]; + ofsi = ofs >> FRACTION_BITS; + v1 = (int32)src[ofsi]; + v2 = (int32)src[ofsi + 1]; +@@ -154,6 +158,8 @@ static resample_t resample_gauss(sample_t *src, splen_t ofs, resample_rec_t *rec + sample_t *sptr; + int32 left, right, temp_n; + ++ if (ofs + (1 << FRACTION_BITS) >= rec->data_length) ++ return src[ofs >> FRACTION_BITS]; + left = (ofs>>FRACTION_BITS); + right = (rec->data_length>>FRACTION_BITS) - left - 1; + temp_n = (right<<1)-1; +@@ -261,6 +267,8 @@ static resample_t resample_newton(sample_t *src, splen_t ofs, resample_rec_t *re + int32 left, right, temp_n; + int ii, jj; + ++ if (ofs + (1 << FRACTION_BITS) >= rec->data_length) ++ return src[ofs >> FRACTION_BITS]; + left = (ofs>>FRACTION_BITS); + right = (rec->data_length>>FRACTION_BITS)-(ofs>>FRACTION_BITS)-1; + temp_n = (right<<1)-1; +@@ -330,6 +338,8 @@ static resample_t resample_linear(sample_t *src, splen_t ofs, resample_rec_t *re + { + int32 v1, v2, ofsi; + ++ if (ofs + (1 << FRACTION_BITS) >= rec->data_length) ++ return src[ofs >> FRACTION_BITS]; + ofsi = ofs >> FRACTION_BITS; + v1 = src[ofsi]; + v2 = src[ofsi + 1]; |