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-rw-r--r--source/a/tar/CVE-2022-48303.patch31
1 files changed, 31 insertions, 0 deletions
diff --git a/source/a/tar/CVE-2022-48303.patch b/source/a/tar/CVE-2022-48303.patch
new file mode 100644
index 000000000..b248fb089
--- /dev/null
+++ b/source/a/tar/CVE-2022-48303.patch
@@ -0,0 +1,31 @@
+From 1d530107a24d71e798727d7f0afa0833473d1074 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Matej=20Mu=C5=BEila?= <mmuzila@gmail.com>
+Date: Wed, 11 Jan 2023 08:55:58 +0100
+Subject: [PATCH] Fix savannah bug #62387
+
+* src/list.c (from_header): Check for the end of field after leading byte
+ (0x80 or 0xff) of base-256 encoded header value
+---
+ src/list.c | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/src/list.c b/src/list.c
+index 9fafc425..bf41b581 100644
+--- a/src/list.c
++++ b/src/list.c
+@@ -895,6 +895,12 @@ from_header (char const *where0, size_t digs, char const *type,
+ << (CHAR_BIT * sizeof (uintmax_t)
+ - LG_256 - (LG_256 - 2)));
+ value = (*where++ & ((1 << (LG_256 - 2)) - 1)) - signbit;
++ if (where == lim)
++ {
++ if (type && !silent)
++ ERROR ((0, 0, _("Archive base-256 value is invalid")));
++ return -1;
++ }
+ for (;;)
+ {
+ value = (value << LG_256) + (unsigned char) *where++;
+--
+2.38.1
+