openslp/SOURCES/openslp-2.0.0-cve-2017-17833.patch
2021-09-09 23:17:22 +00:00

20 lines
810 B
Diff

diff -up openslp-2.0.0/slpd/slpd_process.c.orig openslp-2.0.0/slpd/slpd_process.c
--- openslp-2.0.0/slpd/slpd_process.c.orig 2018-05-09 13:08:06.185104375 +0200
+++ openslp-2.0.0/slpd/slpd_process.c 2018-05-09 13:07:21.017095089 +0200
@@ -462,6 +462,15 @@ static int ProcessSrvRqst(SLPMessage * m
message->body.srvrqst.srvtype, 23, SLP_DA_SERVICE_TYPE) == 0)
{
errorcode = ProcessDASrvRqst(message, sendbuf, errorcode);
+
+ if (result != *sendbuf)
+ {
+ // The pointer stored at *sendbuf can be modified by a realloc
+ // operation in ProcessDASrvRqst(). Fix up the local copy of
+ // that pointer if necessary.
+ result = *sendbuf;
+ }
+
if (errorcode == 0)
{
/* Since we have an errorcode of 0, we were successful,