diff options
Diffstat (limited to 'debian/patches/0110-CVE-2019-13225.patch')
-rw-r--r-- | debian/patches/0110-CVE-2019-13225.patch | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/debian/patches/0110-CVE-2019-13225.patch b/debian/patches/0110-CVE-2019-13225.patch new file mode 100644 index 0000000..be9e152 --- /dev/null +++ b/debian/patches/0110-CVE-2019-13225.patch @@ -0,0 +1,66 @@ +Description: CVE-2019-13225 + problem in converting if-then-else pattern to bytecode. +Origin: upstream, https://github.com/kkos/oniguruma/commit/c509265c5f6ae7264f7b8a8aae1cfa5fc59d108c +Bug-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=931878 +Last-Update: 2019-07-12 +--- +This patch header follows DEP-3: http://dep.debian.net/deps/dep3/ +Index: trunk/src/regcomp.c +=================================================================== +--- trunk.orig/src/regcomp.c ++++ trunk/src/regcomp.c +@@ -1307,8 +1307,9 @@ compile_length_bag_node(BagNode* node, r + len += tlen; + } + ++ len += SIZE_OP_JUMP + SIZE_OP_ATOMIC_END; ++ + if (IS_NOT_NULL(Else)) { +- len += SIZE_OP_JUMP; + tlen = compile_length_tree(Else, reg); + if (tlen < 0) return tlen; + len += tlen; +@@ -1455,7 +1456,7 @@ compile_bag_node(BagNode* node, regex_t* + + case BAG_IF_ELSE: + { +- int cond_len, then_len, jump_len; ++ int cond_len, then_len, else_len, jump_len; + Node* cond = NODE_BAG_BODY(node); + Node* Then = node->te.Then; + Node* Else = node->te.Else; +@@ -1472,8 +1473,7 @@ compile_bag_node(BagNode* node, regex_t* + else + then_len = 0; + +- jump_len = cond_len + then_len + SIZE_OP_ATOMIC_END; +- if (IS_NOT_NULL(Else)) jump_len += SIZE_OP_JUMP; ++ jump_len = cond_len + then_len + SIZE_OP_ATOMIC_END + SIZE_OP_JUMP; + + r = add_op(reg, OP_PUSH); + if (r != 0) return r; +@@ -1490,11 +1490,20 @@ compile_bag_node(BagNode* node, regex_t* + } + + if (IS_NOT_NULL(Else)) { +- int else_len = compile_length_tree(Else, reg); +- r = add_op(reg, OP_JUMP); +- if (r != 0) return r; +- COP(reg)->jump.addr = else_len + SIZE_INC_OP; ++ else_len = compile_length_tree(Else, reg); ++ if (else_len < 0) return else_len; ++ } ++ else ++ else_len = 0; + ++ r = add_op(reg, OP_JUMP); ++ if (r != 0) return r; ++ COP(reg)->jump.addr = SIZE_OP_ATOMIC_END + else_len + SIZE_INC_OP; ++ ++ r = add_op(reg, OP_ATOMIC_END); ++ if (r != 0) return r; ++ ++ if (IS_NOT_NULL(Else)) { + r = compile_tree(Else, reg, env); + } + } |