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authorV3n3RiX <venerix@redcorelinux.org>2017-10-09 18:53:29 +0100
committerV3n3RiX <venerix@redcorelinux.org>2017-10-09 18:53:29 +0100
commit4f2d7949f03e1c198bc888f2d05f421d35c57e21 (patch)
treeba5f07bf3f9d22d82e54a462313f5d244036c768 /dev-libs/libcroco/files/0.6.12-CVE-2017-7960.patch
reinit the tree, so we can have metadata
Diffstat (limited to 'dev-libs/libcroco/files/0.6.12-CVE-2017-7960.patch')
-rw-r--r--dev-libs/libcroco/files/0.6.12-CVE-2017-7960.patch40
1 files changed, 40 insertions, 0 deletions
diff --git a/dev-libs/libcroco/files/0.6.12-CVE-2017-7960.patch b/dev-libs/libcroco/files/0.6.12-CVE-2017-7960.patch
new file mode 100644
index 000000000000..50095d50b898
--- /dev/null
+++ b/dev-libs/libcroco/files/0.6.12-CVE-2017-7960.patch
@@ -0,0 +1,40 @@
+From 898e3a8c8c0314d2e6b106809a8e3e93cf9d4394 Mon Sep 17 00:00:00 2001
+From: Ignacio Casal Quinteiro
+Date: Sun, 16 Apr 2017 13:13:43 +0200
+Subject: [PATCH 1/3] input: check end of input before reading a byte
+
+When reading bytes we weren't check that the index wasn't
+out of bound and this could produce an invalid read which
+could deal to a security bug.
+---
+leio: Snipped cosmetic chunks
+
+diff --git a/src/cr-input.c b/src/cr-input.c
+index 49000b1..3b63a88 100644
+--- a/src/cr-input.c
++++ b/src/cr-input.c
+@@ -404,6 +404,8 @@ cr_input_get_nb_bytes_left (CRInput const * a_this)
+ enum CRStatus
+ cr_input_read_byte (CRInput * a_this, guchar * a_byte)
+ {
++ gulong nb_bytes_left = 0;
++
+ g_return_val_if_fail (a_this && PRIVATE (a_this)
+ && a_byte, CR_BAD_PARAM_ERROR);
+
+@@ -413,6 +415,12 @@ cr_input_read_byte (CRInput * a_this, guchar * a_byte)
+ if (PRIVATE (a_this)->end_of_input == TRUE)
+ return CR_END_OF_INPUT_ERROR;
+
++ nb_bytes_left = cr_input_get_nb_bytes_left (a_this);
++
++ if (nb_bytes_left < 1) {
++ return CR_END_OF_INPUT_ERROR;
++ }
++
+ *a_byte = PRIVATE (a_this)->in_buf[PRIVATE (a_this)->next_byte_index];
+
+ if (PRIVATE (a_this)->nb_bytes -
+--
+2.10.1
+