rpms/zziplib
7
0
Fork 0
Code Issues Pull Requests Releases Activity

import CS zziplib-0.13.71-10.el9

Browse Source
This commit is contained in:
eabdullin 2024-03-28 12:04:04 +00:00
parent ef4e8f6233
commit bc813cba20
2 changed files with 37 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
SOURCES/CVE-2020-18770.patch Normal file
View File

@ -0,0 +1,30 @@
From 18c6c043bd7d8f139f30e9c7749013115d5fc5b7 Mon Sep 17 00:00:00 2001
From: Valentin Lefebvre <valentin.lefebvre@suse.com>
Date: Wed, 20 Sep 2023 12:04:56 +0200
Subject: [PATCH] mmappend.c: Avoid invalid access for header entry
* zzip_disk_entry_to_file_header checking the pointer by substraction
instead of addition where it could lead to an invalid access memory.
* CVE-2020-18770
Signed-off-by: Valentin Lefebvre <valentin.lefebvre@suse.com>
---
zzip/mmapped.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/zzip/mmapped.c b/zzip/mmapped.c
index 2071882..beb094d 100644
--- a/zzip/mmapped.c
+++ b/zzip/mmapped.c
@@ -275,8 +275,9 @@ zzip_disk_entry_to_data(ZZIP_DISK * disk, struct zzip_disk_entry * entry)
struct zzip_file_header *
zzip_disk_entry_to_file_header(ZZIP_DISK * disk, struct zzip_disk_entry *entry)
{
- zzip_byte_t *const ptr = disk->buffer + zzip_disk_entry_fileoffset(entry);
- if (disk->buffer > ptr || ptr >= disk->endbuf)
+ zzip_off_t off = zzip_disk_entry_fileoffset(entry);
+ zzip_byte_t *const ptr = disk->buffer + off;
+ if (disk->buffer > ptr || disk->buffer >= disk->endbuf - off)
{
errno = EBADMSG;
return 0;

8
SPECS/zziplib.spec
View File

@ -1,7 +1,7 @@
Summary: Lightweight library to easily extract data from zip files
Name: zziplib
Version: 0.13.71
Release: 9%{?dist}
Release: 10%{?dist}
License: LGPLv2+ or MPLv1.1
URL: http://zziplib.sourceforge.net/
#Source: https://github.com/gdraheim/zziplib/archive/v%{version}.tar.gz
@ -15,6 +15,7 @@ Source1: match.py
Source2: options.py
Patch1: CVE-2020-18442.patch
Patch2: CVE-2020-18770.patch
Patch100: multilib-32.patch
Patch101: multilib-64.patch
@ -74,6 +75,7 @@ cp %{SOURCE1} docs/zzipdoc/
cp %{SOURCE2} docs/zzipdoc/
%patch1 -p1
%patch2 -p1
%build
@ -122,6 +124,10 @@ popd
%{_mandir}/man3/*
%changelog
* Wed Jan 24 2024 Jakub Martisko <jamartis@redhat.com> - 0.13.71-10
- Fix CVE-2020-18770
Resolves: RHEL-14967
* Tue Aug 10 2021 Mohan Boddu <mboddu@redhat.com> - 0.13.71-9
- Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
Related: rhbz#1991688