diff options
Diffstat (limited to 'source/n/ppp/ppp.CVE-2020-8597.patch')
| -rw-r--r-- | source/n/ppp/ppp.CVE-2020-8597.patch | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/source/n/ppp/ppp.CVE-2020-8597.patch b/source/n/ppp/ppp.CVE-2020-8597.patch deleted file mode 100644 index 5d7c51bca..000000000 --- a/source/n/ppp/ppp.CVE-2020-8597.patch +++ /dev/null @@ -1,37 +0,0 @@ -From 8d7970b8f3db727fe798b65f3377fe6787575426 Mon Sep 17 00:00:00 2001 -From: Paul Mackerras <paulus@ozlabs.org> -Date: Mon, 3 Feb 2020 15:53:28 +1100 -Subject: [PATCH] pppd: Fix bounds check in EAP code - -Given that we have just checked vallen < len, it can never be the case -that vallen >= len + sizeof(rhostname). This fixes the check so we -actually avoid overflowing the rhostname array. - -Reported-by: Ilja Van Sprundel <ivansprundel@ioactive.com> -Signed-off-by: Paul Mackerras <paulus@ozlabs.org> ---- - pppd/eap.c | 4 ++-- - 1 file changed, 2 insertions(+), 2 deletions(-) - -diff --git a/pppd/eap.c b/pppd/eap.c -index 94407f56..1b93db01 100644 ---- a/pppd/eap.c -+++ b/pppd/eap.c -@@ -1420,7 +1420,7 @@ int len; - } - - /* Not so likely to happen. */ -- if (vallen >= len + sizeof (rhostname)) { -+ if (len - vallen >= sizeof (rhostname)) { - dbglog("EAP: trimming really long peer name down"); - BCOPY(inp + vallen, rhostname, sizeof (rhostname) - 1); - rhostname[sizeof (rhostname) - 1] = '\0'; -@@ -1846,7 +1846,7 @@ int len; - } - - /* Not so likely to happen. */ -- if (vallen >= len + sizeof (rhostname)) { -+ if (len - vallen >= sizeof (rhostname)) { - dbglog("EAP: trimming really long peer name down"); - BCOPY(inp + vallen, rhostname, sizeof (rhostname) - 1); - rhostname[sizeof (rhostname) - 1] = '\0'; |