dhcp/0028-Fix-for-CVE-2021-25217.patch
Pavel Zhukov 74c305e713 Fix for CVE-2021-25217
Rename old patch to sync with github/fedora
Resolves: #1963809
2021-07-08 05:49:38 +02:00

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910 B
Diff

From 02b4ae1953d39f1b6c3f0e63aefb72114039ab50 Mon Sep 17 00:00:00 2001
From: Pavel Zhukov <pzhukov@redhat.com>
Date: Tue, 22 Jun 2021 06:56:29 +0200
Subject: [PATCH 28/29] Fix for CVE-2021-25217
Cc: pzhukov@redhat.com
---
common/parse.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/common/parse.c b/common/parse.c
index f17bc0b..4e8b408 100644
--- a/common/parse.c
+++ b/common/parse.c
@@ -5587,13 +5587,14 @@ int parse_X (cfile, buf, max)
skip_to_semi (cfile);
return 0;
}
- convert_num (cfile, &buf [len], val, 16, 8);
- if (len++ > max) {
+ if (len >= max) {
parse_warn (cfile,
"hexadecimal constant too long.");
skip_to_semi (cfile);
return 0;
}
+ convert_num (cfile, &buf [len], val, 16, 8);
+ len++;
token = peek_token (&val, (unsigned *)0, cfile);
if (token == COLON)
token = next_token (&val,
--
2.26.3