diff options
Diffstat (limited to 'core/glibc/glibc-2.18-getaddrinfo-CVE-2013-4458.patch')
| -rw-r--r-- | core/glibc/glibc-2.18-getaddrinfo-CVE-2013-4458.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/core/glibc/glibc-2.18-getaddrinfo-CVE-2013-4458.patch b/core/glibc/glibc-2.18-getaddrinfo-CVE-2013-4458.patch new file mode 100644 index 000000000..a7bc67c6f --- /dev/null +++ b/core/glibc/glibc-2.18-getaddrinfo-CVE-2013-4458.patch @@ -0,0 +1,41 @@ +diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c +index e6ce4cf..8ff74b4 100644 +--- a/sysdeps/posix/getaddrinfo.c ++++ b/sysdeps/posix/getaddrinfo.c +@@ -197,7 +197,22 @@ gaih_inet_serv (const char *servicename, const struct gaih_typeproto *tp, + &rc, &herrno, NULL, &localcanon)); \ + if (rc != ERANGE || herrno != NETDB_INTERNAL) \ + break; \ +- tmpbuf = extend_alloca (tmpbuf, tmpbuflen, 2 * tmpbuflen); \ ++ if (!malloc_tmpbuf && __libc_use_alloca (alloca_used + 2 * tmpbuflen)) \ ++ tmpbuf = extend_alloca_account (tmpbuf, tmpbuflen, 2 * tmpbuflen, \ ++ alloca_used); \ ++ else \ ++ { \ ++ char *newp = realloc (malloc_tmpbuf ? tmpbuf : NULL, \ ++ 2 * tmpbuflen); \ ++ if (newp == NULL) \ ++ { \ ++ result = -EAI_MEMORY; \ ++ goto free_and_return; \ ++ } \ ++ tmpbuf = newp; \ ++ malloc_tmpbuf = true; \ ++ tmpbuflen = 2 * tmpbuflen; \ ++ } \ + } \ + if (status == NSS_STATUS_SUCCESS && rc == 0) \ + h = &th; \ +@@ -209,7 +224,8 @@ gaih_inet_serv (const char *servicename, const struct gaih_typeproto *tp, + { \ + __set_h_errno (herrno); \ + _res.options |= old_res_options & RES_USE_INET6; \ +- return -EAI_SYSTEM; \ ++ result = -EAI_SYSTEM; \ ++ goto free_and_return; \ + } \ + if (herrno == TRY_AGAIN) \ + no_data = EAI_AGAIN; \ +-- +1.8.4.1 + |