diff options
Diffstat (limited to 'legacy/sox/CVE-2019-8356.patch')
-rw-r--r-- | legacy/sox/CVE-2019-8356.patch | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/legacy/sox/CVE-2019-8356.patch b/legacy/sox/CVE-2019-8356.patch new file mode 100644 index 000000000..9375bc5ae --- /dev/null +++ b/legacy/sox/CVE-2019-8356.patch @@ -0,0 +1,92 @@ +From b7883ae1398499daaa926ae6621f088f0f531ed8 Mon Sep 17 00:00:00 2001 +From: Mans Rullgard <mans@mansr.com> +Date: Wed, 24 Apr 2019 16:56:42 +0100 +Subject: [PATCH] fft4g: bail if size too large (CVE-2019-8356) + +Prevent overflowing of fixed-size buffers in bitrv2() and bitrv2conj() +if the transform size is too large. +--- + src/fft4g.c | 18 ++++++++++++++++++ + src/fft4g.h | 2 ++ + 2 files changed, 20 insertions(+) + +diff --git a/src/fft4g.c b/src/fft4g.c +index 38a8bcc0..88a2a7ec 100644 +--- a/src/fft4g.c ++++ b/src/fft4g.c +@@ -322,6 +322,9 @@ static void rftfsub(int n, double *a, int nc, double const *c); + + void cdft(int n, int isgn, double *a, int *ip, double *w) + { ++ if (n > FFT4G_MAX_SIZE) ++ return; ++ + if (n > (ip[0] << 2)) { + makewt(n >> 2, ip, w); + } +@@ -344,6 +347,9 @@ void rdft(int n, int isgn, double *a, int *ip, double *w) + int nw, nc; + double xi; + ++ if (n > FFT4G_MAX_SIZE) ++ return; ++ + nw = ip[0]; + if (n > (nw << 2)) { + nw = n >> 2; +@@ -384,6 +390,9 @@ void ddct(int n, int isgn, double *a, int *ip, double *w) + int j, nw, nc; + double xr; + ++ if (n > FFT4G_MAX_SIZE) ++ return; ++ + nw = ip[0]; + if (n > (nw << 2)) { + nw = n >> 2; +@@ -435,6 +444,9 @@ void ddst(int n, int isgn, double *a, int *ip, double *w) + int j, nw, nc; + double xr; + ++ if (n > FFT4G_MAX_SIZE) ++ return; ++ + nw = ip[0]; + if (n > (nw << 2)) { + nw = n >> 2; +@@ -486,6 +498,9 @@ void dfct(int n, double *a, double *t, int *ip, double *w) + int j, k, l, m, mh, nw, nc; + double xr, xi, yr, yi; + ++ if (n > FFT4G_MAX_SIZE) ++ return; ++ + nw = ip[0]; + if (n > (nw << 3)) { + nw = n >> 3; +@@ -576,6 +591,9 @@ void dfst(int n, double *a, double *t, int *ip, double *w) + int j, k, l, m, mh, nw, nc; + double xr, xi, yr, yi; + ++ if (n > FFT4G_MAX_SIZE) ++ return; ++ + nw = ip[0]; + if (n > (nw << 3)) { + nw = n >> 3; +diff --git a/src/fft4g.h b/src/fft4g.h +index 2b8051ca..95ee3413 100644 +--- a/src/fft4g.h ++++ b/src/fft4g.h +@@ -13,6 +13,8 @@ + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + ++#define FFT4G_MAX_SIZE 262144 ++ + void lsx_cdft(int, int, double *, int *, double *); + void lsx_rdft(int, int, double *, int *, double *); + void lsx_ddct(int, int, double *, int *, double *); +-- +2.25.0 + |