SUSE update for zlib



| Updated: 2022-10-17
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-37434
CWE-ID CWE-122
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
SUSE OpenStack Cloud Crowbar
Operating systems & Components / Operating system

SUSE Linux Enterprise Server for SAP
Operating systems & Components / Operating system

SUSE Linux Enterprise Server
Operating systems & Components / Operating system

SUSE OpenStack Cloud
Operating systems & Components / Operating system

zlib-devel-static-32bit
Operating systems & Components / Operating system package or component

zlib-devel-static
Operating systems & Components / Operating system package or component

zlib-devel-32bit
Operating systems & Components / Operating system package or component

zlib-devel
Operating systems & Components / Operating system package or component

zlib-debugsource
Operating systems & Components / Operating system package or component

libz1-debuginfo-32bit
Operating systems & Components / Operating system package or component

libz1-debuginfo
Operating systems & Components / Operating system package or component

libz1-32bit
Operating systems & Components / Operating system package or component

libz1
Operating systems & Components / Operating system package or component

Vendor SUSE

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Heap-based buffer overflow

EUVDB-ID: #VU66153

Risk: High

CVSSv4.0: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2022-37434

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing a large gzip header within inflateGetHeader in inflate.c. A remote attacker can pass a specially crafted file to the affected application, trigger heap-based buffer overflow and execute arbitrary code on the target system.


Mitigation

Update the affected package zlib to the latest version.

Vulnerable software versions

SUSE OpenStack Cloud Crowbar: 9

SUSE Linux Enterprise Server for SAP: 12-SP4

SUSE Linux Enterprise Server: 12-SP4-LTSS

SUSE OpenStack Cloud: 9

zlib-devel-static-32bit: before 1.2.11-3.9.1

zlib-devel-static: before 1.2.11-3.9.1

zlib-devel-32bit: before 1.2.11-3.9.1

zlib-devel: before 1.2.11-3.9.1

zlib-debugsource: before 1.2.11-3.9.1

libz1-debuginfo-32bit: before 1.2.11-3.9.1

libz1-debuginfo: before 1.2.11-3.9.1

libz1-32bit: before 1.2.11-3.9.1

libz1: before 1.2.11-3.9.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2022/suse-su-20222846-1/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###