diff --git a/SOURCES/tar-1.34-CVE-2022-48303.patch b/SOURCES/tar-1.34-CVE-2022-48303.patch new file mode 100644 index 0000000..1b6c8db --- /dev/null +++ b/SOURCES/tar-1.34-CVE-2022-48303.patch @@ -0,0 +1,30 @@ +From 3da78400eafcccb97e2f2fd4b227ea40d794ede8 Mon Sep 17 00:00:00 2001 +From: Sergey Poznyakoff +Date: Sat, 11 Feb 2023 11:57:39 +0200 +Subject: [PATCH] Fix boundary checking in base-256 decoder + +* src/list.c (from_header): Base-256 encoding is at least 2 bytes +long. +--- + src/list.c | 5 +++-- + 1 file changed, 3 insertions(+), 2 deletions(-) + +diff --git a/src/list.c b/src/list.c +index 9fafc425..86bcfdd1 100644 +--- a/src/list.c ++++ b/src/list.c +@@ -881,8 +881,9 @@ from_header (char const *where0, size_t digs, char const *type, + where++; + } + } +- else if (*where == '\200' /* positive base-256 */ +- || *where == '\377' /* negative base-256 */) ++ else if (where <= lim - 2 ++ && (*where == '\200' /* positive base-256 */ ++ || *where == '\377' /* negative base-256 */)) + { + /* Parse base-256 output. A nonnegative number N is + represented as (256**DIGS)/2 + N; a negative number -N is +-- +2.38.1 + diff --git a/SPECS/tar.spec b/SPECS/tar.spec index 3d9ff67..ae60c97 100644 --- a/SPECS/tar.spec +++ b/SPECS/tar.spec @@ -5,7 +5,7 @@ Summary: GNU file archiving program Name: tar Epoch: 2 Version: 1.34 -Release: 5%{?dist} +Release: 6%{?dist} License: GPLv3+ URL: https://www.gnu.org/software/tar/ @@ -21,6 +21,7 @@ Patch9: tar-1.28-document-exclude-mistakes.patch Patch10: tar-1.33-fix-capabilities-test.patch Patch11: tar-1.30-padding-zeros.patch Patch12: tar-1.30-disk-read-error.patch +Patch13: tar-1.34-CVE-2022-48303.patch BuildRequires: make BuildRequires: gcc @@ -115,6 +116,10 @@ make check || ( %changelog +* Thu Feb 09 2023 Matej Mužila - 2:1.34-6 +- Fix CVE-2022-48303 +- Resolves: CVE-2022-48303 + * Fri Jul 01 2022 Lukas Javorsky - 2:1.34-5 - Release bump