Multiple vulnerabilities in rails-html-sanitizer for Ruby
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 4 |
| CVE-ID | CVE-2022-23520 CVE-2022-23519 CVE-2022-23518 CVE-2022-23517 |
| CWE-ID | CWE-79 CWE-185 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
rails-html-sanitizer Universal components / Libraries / Programming Languages & Components |
| Vendor | Rails |
Security Bulletin
This security bulletin contains information about 4 vulnerabilities.
1) 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
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsrails-html-sanitizer: 1.4.0 - 1.4.3
External linkshttp://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-rrfc-7g8p-99q8
http://hackerone.com/reports/1654310
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: #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
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsrails-html-sanitizer: 1.4.0 - 1.4.3
External linkshttp://hackerone.com/reports/1656627
http://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-9h9g-93gc-623h
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: #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
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsrails-html-sanitizer: 1.3.0 - 1.4.3
External linkshttp://hackerone.com/reports/1694173
http://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-mcvf-2q2m-x72m
http://github.com/rails/rails-html-sanitizer/issues/135
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) 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
DescriptionThe 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.
Install updates from vendor's website.
Vulnerable software versionsrails-html-sanitizer: 1.4.0 - 1.4.3
External linkshttp://hackerone.com/reports/1684163
http://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-5x79-w82f-gw8w
http://github.com/rails/rails-html-sanitizer/commit/56c61c0cebd1e493e8ad7bca2a0191609a4a6979
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.
