SUSE update for rubygem-rails-html-sanitizer



Risk Medium
Patch available YES
Number of vulnerabilities 4
CVE-ID CVE-2022-23517
CVE-2022-23518
CVE-2022-23519
CVE-2022-23520
CWE-ID CWE-185
CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
SUSE Linux Enterprise Server 12
Operating systems & Components / Operating system

SUSE Linux Enterprise High Performance Computing 12
Operating systems & Components / Operating system

SUSE OpenStack Cloud Crowbar
Operating systems & Components / Operating system

ruby2.1-rubygem-rails-html-sanitizer
Operating systems & Components / Operating system package or component

Vendor SUSE

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) Incorrect regular expression

EUVDB-ID: #VU75786

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-2022-23517

CWE-ID: CWE-185 - Incorrect Regular Expression

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform DoS attack.

The vulnerability exists due to usage of an incorrect regular expression to parse SVG attributes. A remote attacker can pass a specially crafted SVG image to the application and consume excessive CPU resources.

Mitigation

Update the affected package rubygem-rails-html-sanitizer to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server 12: SP3 - SP4

SUSE Linux Enterprise High Performance Computing 12: SP3

SUSE OpenStack Cloud Crowbar: 8 - 9

ruby2.1-rubygem-rails-html-sanitizer: before 1.0.3-8.14.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20233534-1/


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) Cross-site scripting

EUVDB-ID: #VU75787

Risk: Medium

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-23518

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data passed via URLs when used in combination with Loofah. A remote attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Update the affected package rubygem-rails-html-sanitizer to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server 12: SP3 - SP4

SUSE Linux Enterprise High Performance Computing 12: SP3

SUSE OpenStack Cloud Crowbar: 8 - 9

ruby2.1-rubygem-rails-html-sanitizer: before 1.0.3-8.14.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20233534-1/


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) Cross-site scripting

EUVDB-ID: #VU75788

Risk: Medium

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

CVE-ID: CVE-2022-23519

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data with certain configurations of Rails::Html::Sanitizer. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Update the affected package rubygem-rails-html-sanitizer to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server 12: SP3 - SP4

SUSE Linux Enterprise High Performance Computing 12: SP3

SUSE OpenStack Cloud Crowbar: 8 - 9

ruby2.1-rubygem-rails-html-sanitizer: before 1.0.3-8.14.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20233534-1/


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) Cross-site scripting

EUVDB-ID: #VU75789

Risk: Medium

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

CVE-ID: CVE-2022-23520

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data with certain configurations of Rails::Html::Sanitizer. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Update the affected package rubygem-rails-html-sanitizer to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server 12: SP3 - SP4

SUSE Linux Enterprise High Performance Computing 12: SP3

SUSE OpenStack Cloud Crowbar: 8 - 9

ruby2.1-rubygem-rails-html-sanitizer: before 1.0.3-8.14.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20233534-1/


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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