SUSE update for rubygem-rails-html-sanitizer

1) Incorrect regular expression

EUVDB-ID: #VU75786

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

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

External links

http://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

CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

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

External links

http://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

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

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

External links

http://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

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

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

External links

http://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.