SUSE update for apache2



Risk High
Patch available YES
Number of vulnerabilities 4
CVE-ID CVE-2022-22719
CVE-2022-22720
CVE-2022-22721
CVE-2022-23943
CWE-ID CWE-20
CWE-444
CWE-190
CWE-787
Exploitation vector Network
Public exploit N/A
Vulnerable software
SUSE Linux Enterprise Realtime Extension
Operating systems & Components / Operating system

SUSE Linux Enterprise Server
Operating systems & Components / Operating system

SUSE Linux Enterprise High Performance Computing
Operating systems & Components / Operating system

SUSE Enterprise Storage
Operating systems & Components / Operating system

SUSE Manager Server
Operating systems & Components / Operating system

SUSE Manager Retail Branch Server
Operating systems & Components / Operating system

SUSE Manager Proxy
Operating systems & Components / Operating system

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

SUSE Linux Enterprise Desktop
Operating systems & Components / Operating system

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

SUSE Linux Enterprise Module for Basesystem
Operating systems & Components / Operating system

SUSE Linux Enterprise Module for Server Applications
Operating systems & Components / Operating system

SUSE Linux Enterprise Module for Packagehub Subpackages
Operating systems & Components / Operating system package or component

apache2-event-debuginfo
Operating systems & Components / Operating system package or component

apache2-event
Operating systems & Components / Operating system package or component

apache2-doc
Operating systems & Components / Operating system package or component

apache2-worker-debuginfo
Operating systems & Components / Operating system package or component

apache2-worker
Operating systems & Components / Operating system package or component

apache2-utils-debuginfo
Operating systems & Components / Operating system package or component

apache2-utils
Operating systems & Components / Operating system package or component

apache2-prefork-debuginfo
Operating systems & Components / Operating system package or component

apache2-prefork
Operating systems & Components / Operating system package or component

apache2-devel
Operating systems & Components / Operating system package or component

apache2-debugsource
Operating systems & Components / Operating system package or component

apache2-debuginfo
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 4 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU61287

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-22719

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to use of uninitialized value in r:parsebody. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected package apache2 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Realtime Extension: 15-SP2

SUSE Linux Enterprise Server: 15-SP2-BCL - 15-SP3-LTSS

SUSE Linux Enterprise High Performance Computing: 15-SP2-ESPOS - 15-SP3-LTSS

SUSE Enterprise Storage: 7.1

SUSE Manager Server: 4.1 - 4.2

SUSE Manager Retail Branch Server: 4.1

SUSE Manager Proxy: 4.1 - 4.2

SUSE Linux Enterprise Server for SAP: 15-SP2

SUSE Linux Enterprise Desktop: 15-SP3

SUSE Linux Enterprise Server for SAP Applications: 15-SP3

SUSE Linux Enterprise Module for Packagehub Subpackages: 15-SP3

SUSE Linux Enterprise Module for Basesystem: 15-SP3

SUSE Linux Enterprise Module for Server Applications: 15-SP3

apache2-event-debuginfo: before 2.4.51-150200.3.42.1

apache2-event: before 2.4.51-150200.3.42.1

apache2-doc: before 2.4.51-150200.3.42.1

apache2-worker-debuginfo: before 2.4.51-150200.3.42.1

apache2-worker: before 2.4.51-150200.3.42.1

apache2-utils-debuginfo: before 2.4.51-150200.3.42.1

apache2-utils: before 2.4.51-150200.3.42.1

apache2-prefork-debuginfo: before 2.4.51-150200.3.42.1

apache2-prefork: before 2.4.51-150200.3.42.1

apache2-devel: before 2.4.51-150200.3.42.1

apache2-debugsource: before 2.4.51-150200.3.42.1

apache2-debuginfo: before 2.4.51-150200.3.42.1

apache2: before 2.4.51-150200.3.42.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2022/suse-su-20221031-1/


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) 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 Realtime Extension: 15-SP2

SUSE Linux Enterprise Server: 15-SP2-BCL - 15-SP3-LTSS

SUSE Linux Enterprise High Performance Computing: 15-SP2-ESPOS - 15-SP3-LTSS

SUSE Enterprise Storage: 7.1

SUSE Manager Server: 4.1 - 4.2

SUSE Manager Retail Branch Server: 4.1

SUSE Manager Proxy: 4.1 - 4.2

SUSE Linux Enterprise Server for SAP: 15-SP2

SUSE Linux Enterprise Desktop: 15-SP3

SUSE Linux Enterprise Server for SAP Applications: 15-SP3

SUSE Linux Enterprise Module for Packagehub Subpackages: 15-SP3

SUSE Linux Enterprise Module for Basesystem: 15-SP3

SUSE Linux Enterprise Module for Server Applications: 15-SP3

apache2-event-debuginfo: before 2.4.51-150200.3.42.1

apache2-event: before 2.4.51-150200.3.42.1

apache2-doc: before 2.4.51-150200.3.42.1

apache2-worker-debuginfo: before 2.4.51-150200.3.42.1

apache2-worker: before 2.4.51-150200.3.42.1

apache2-utils-debuginfo: before 2.4.51-150200.3.42.1

apache2-utils: before 2.4.51-150200.3.42.1

apache2-prefork-debuginfo: before 2.4.51-150200.3.42.1

apache2-prefork: before 2.4.51-150200.3.42.1

apache2-devel: before 2.4.51-150200.3.42.1

apache2-debugsource: before 2.4.51-150200.3.42.1

apache2-debuginfo: before 2.4.51-150200.3.42.1

apache2: before 2.4.51-150200.3.42.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2022/suse-su-20221031-1/


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.

3) 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

Exploit availability: No

Description

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

The vulnerability exists due to integer overflow within the ap_escape_html2() function when parsing LimitXMLRequestBody. A remote attacker can send a specially crafted request to the web server, trigger an integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected package apache2 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Realtime Extension: 15-SP2

SUSE Linux Enterprise Server: 15-SP2-BCL - 15-SP3-LTSS

SUSE Linux Enterprise High Performance Computing: 15-SP2-ESPOS - 15-SP3-LTSS

SUSE Enterprise Storage: 7.1

SUSE Manager Server: 4.1 - 4.2

SUSE Manager Retail Branch Server: 4.1

SUSE Manager Proxy: 4.1 - 4.2

SUSE Linux Enterprise Server for SAP: 15-SP2

SUSE Linux Enterprise Desktop: 15-SP3

SUSE Linux Enterprise Server for SAP Applications: 15-SP3

SUSE Linux Enterprise Module for Packagehub Subpackages: 15-SP3

SUSE Linux Enterprise Module for Basesystem: 15-SP3

SUSE Linux Enterprise Module for Server Applications: 15-SP3

apache2-event-debuginfo: before 2.4.51-150200.3.42.1

apache2-event: before 2.4.51-150200.3.42.1

apache2-doc: before 2.4.51-150200.3.42.1

apache2-worker-debuginfo: before 2.4.51-150200.3.42.1

apache2-worker: before 2.4.51-150200.3.42.1

apache2-utils-debuginfo: before 2.4.51-150200.3.42.1

apache2-utils: before 2.4.51-150200.3.42.1

apache2-prefork-debuginfo: before 2.4.51-150200.3.42.1

apache2-prefork: before 2.4.51-150200.3.42.1

apache2-devel: before 2.4.51-150200.3.42.1

apache2-debugsource: before 2.4.51-150200.3.42.1

apache2-debuginfo: before 2.4.51-150200.3.42.1

apache2: before 2.4.51-150200.3.42.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2022/suse-su-20221031-1/


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.

4) Out-of-bounds write

EUVDB-ID: #VU61284

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-2022-23943

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in mod_sed. A remote attacker can trigger out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Update the affected package apache2 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Realtime Extension: 15-SP2

SUSE Linux Enterprise Server: 15-SP2-BCL - 15-SP3-LTSS

SUSE Linux Enterprise High Performance Computing: 15-SP2-ESPOS - 15-SP3-LTSS

SUSE Enterprise Storage: 7.1

SUSE Manager Server: 4.1 - 4.2

SUSE Manager Retail Branch Server: 4.1

SUSE Manager Proxy: 4.1 - 4.2

SUSE Linux Enterprise Server for SAP: 15-SP2

SUSE Linux Enterprise Desktop: 15-SP3

SUSE Linux Enterprise Server for SAP Applications: 15-SP3

SUSE Linux Enterprise Module for Packagehub Subpackages: 15-SP3

SUSE Linux Enterprise Module for Basesystem: 15-SP3

SUSE Linux Enterprise Module for Server Applications: 15-SP3

apache2-event-debuginfo: before 2.4.51-150200.3.42.1

apache2-event: before 2.4.51-150200.3.42.1

apache2-doc: before 2.4.51-150200.3.42.1

apache2-worker-debuginfo: before 2.4.51-150200.3.42.1

apache2-worker: before 2.4.51-150200.3.42.1

apache2-utils-debuginfo: before 2.4.51-150200.3.42.1

apache2-utils: before 2.4.51-150200.3.42.1

apache2-prefork-debuginfo: before 2.4.51-150200.3.42.1

apache2-prefork: before 2.4.51-150200.3.42.1

apache2-devel: before 2.4.51-150200.3.42.1

apache2-debugsource: before 2.4.51-150200.3.42.1

apache2-debuginfo: before 2.4.51-150200.3.42.1

apache2: before 2.4.51-150200.3.42.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2022/suse-su-20221031-1/


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.



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