summaryrefslogtreecommitdiff
path: root/third-party
diff options
context:
space:
mode:
authorKevin Harwell <kharwell@digium.com>2018-01-31 13:37:54 -0600
committerKevin Harwell <kharwell@digium.com>2018-02-21 09:26:28 -0600
commit880c69f00fcaebaaa107f2a4891b34ff8b2534fb (patch)
tree24e749a7118f8eb829a15c1d3376e53cbe28b844 /third-party
parenta1e6320c4a1c08d17c920b5c39ef0bb055042a4a (diff)
AST-2018-003: Crash with an invalid SDP fmtp attribute
pjproject's fmtp retrieval function failed to catch invalid fmtp attributes. Because of this Asterisk would crash if given an SDP with an invalid fmtp attribute. When retrieving the format this patch now makes sure the fmtp attribute is available. If not available it now returns an error status. ASTERISK-27583 #close Change-Id: I5cebe000ce2d846cae3af33b6d72c416e51caf2f
Diffstat (limited to 'third-party')
-rw-r--r--third-party/pjproject/patches/0071-sdp_fmtp_attr.patch34
1 files changed, 34 insertions, 0 deletions
diff --git a/third-party/pjproject/patches/0071-sdp_fmtp_attr.patch b/third-party/pjproject/patches/0071-sdp_fmtp_attr.patch
new file mode 100644
index 000000000..8228d5dd6
--- /dev/null
+++ b/third-party/pjproject/patches/0071-sdp_fmtp_attr.patch
@@ -0,0 +1,34 @@
+diff --git a/pjmedia/src/pjmedia/sdp.c b/pjmedia/src/pjmedia/sdp.c
+index a3dd80b..6117e07 100644
+--- a/pjmedia/src/pjmedia/sdp.c
++++ b/pjmedia/src/pjmedia/sdp.c
+@@ -256,7 +256,8 @@ PJ_DEF(pj_status_t) pjmedia_sdp_attr_get_rtpmap( const pjmedia_sdp_attr *attr,
+
+ PJ_ASSERT_RETURN(pj_strcmp2(&attr->name, "rtpmap")==0, PJ_EINVALIDOP);
+
+- PJ_ASSERT_RETURN(attr->value.slen != 0, PJMEDIA_SDP_EINATTR);
++ if (attr->value.slen == 0)
++ return PJMEDIA_SDP_EINATTR;
+
+ init_sdp_parser();
+
+@@ -341,6 +342,9 @@ PJ_DEF(pj_status_t) pjmedia_sdp_attr_get_fmtp( const pjmedia_sdp_attr *attr,
+
+ PJ_ASSERT_RETURN(pj_strcmp2(&attr->name, "fmtp")==0, PJ_EINVALIDOP);
+
++ if (attr->value.slen == 0)
++ return PJMEDIA_SDP_EINATTR;
++
+ /* fmtp BNF:
+ * a=fmtp:<format> <format specific parameter>
+ */
+@@ -379,6 +383,9 @@ PJ_DEF(pj_status_t) pjmedia_sdp_attr_get_rtcp(const pjmedia_sdp_attr *attr,
+
+ PJ_ASSERT_RETURN(pj_strcmp2(&attr->name, "rtcp")==0, PJ_EINVALIDOP);
+
++ if (attr->value.slen == 0)
++ return PJMEDIA_SDP_EINATTR;
++
+ init_sdp_parser();
+
+ /* fmtp BNF: