SUSE update for apache2

Published: 2022-03-21

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-22720 CVE-2022-22721
CWE-ID	CWE-444 CWE-190
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	SUSE Linux Enterprise Server Operating systems & Components / Operating system SUSE Linux Enterprise Point of Sale Operating systems & Components / Operating system SUSE Linux Enterprise Debuginfo Operating systems & Components / Operating system apache2-debugsource Operating systems & Components / Operating system package or component apache2-debuginfo Operating systems & Components / Operating system package or component apache2-devel Operating systems & Components / Operating system package or component apache2-worker Operating systems & Components / Operating system package or component apache2-utils Operating systems & Components / Operating system package or component apache2-prefork Operating systems & Components / Operating system package or component apache2-example-pages Operating systems & Components / Operating system package or component apache2-doc Operating systems & Components / Operating system package or component apache2 Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Inconsistent interpretation of HTTP requests

EUVDB-ID: #VU61286

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-22720

CWE-ID: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

Exploit availability: No

Description

The vulnerability allows a remote attacker to preform HTTP request smuggling attacks.

The vulnerability exists due to improper validation of HTTP requests. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.

Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.

Mitigation

Update the affected package apache2 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server: 11-SP4-LTSS-EXTREME-CORE

SUSE Linux Enterprise Point of Sale: 11-SP3

SUSE Linux Enterprise Debuginfo: 11-SP3 - 11-SP4

apache2-debugsource: before 2.2.34-70.41.1

apache2-debuginfo: before 2.2.34-70.41.1

apache2-devel: before 2.2.34-70.41.1

apache2-worker: before 2.2.34-70.41.1

apache2-utils: before 2.2.34-70.41.1

apache2-prefork: before 2.2.34-70.41.1

apache2-example-pages: before 2.2.34-70.41.1

apache2-doc: before 2.2.34-70.41.1

apache2: before 2.2.34-70.41.1

CPE2.3

External links

https://www.suse.com/support/update/announcement/2022/suse-su-202214924-1/

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.

2) Integer overflow

EUVDB-ID: #VU61285

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-22721

CWE-ID: CWE-190 - Integer overflow