Vulnerability identifier: #VU31261
Vulnerability risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-476
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
BusyBox
Universal components / Libraries /
Software for developers
Vendor: busybox.net
Description
The vulnerability allows a local non-authenticated attacker to perform a denial of service (DoS) attack.
huft_build in archival/libarchive/decompress_gunzip.c in BusyBox before 1.27.2 misuses a pointer, causing segfaults and an application crash during an unzip operation on a specially crafted ZIP file.
Mitigation
Install update from vendor's website.
Vulnerable software versions
BusyBox: 1.27.0 - 1.27.1
External links
http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.html
http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html
http://seclists.org/fulldisclosure/2019/Jun/18
http://seclists.org/fulldisclosure/2019/Sep/7
http://www.openwall.com/lists/oss-security/2015/10/25/3
http://bugs.debian.org/803097
http://git.busybox.net/busybox/commit/?id=1de25a6e87e0e627aa34298105a3d17c60a1f44e
http://lists.debian.org/debian-lts-announce/2018/07/msg00037.html
http://seclists.org/bugtraq/2019/Jun/14
http://seclists.org/bugtraq/2019/Sep/7
http://usn.ubuntu.com/3935-1/
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.