diff options
author | V3n3RiX <venerix@redcorelinux.org> | 2017-10-09 18:53:29 +0100 |
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committer | V3n3RiX <venerix@redcorelinux.org> | 2017-10-09 18:53:29 +0100 |
commit | 4f2d7949f03e1c198bc888f2d05f421d35c57e21 (patch) | |
tree | ba5f07bf3f9d22d82e54a462313f5d244036c768 /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.patch | 40 |
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 + |