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CVE-2022-26951: Archer, An RSA Business, Update for Multiple Vulnerabilities

Archer 6.x through 6.10 (6.10.0.0) contains a reflected XSS vulnerability. A remote SAML-unauthenticated malicious Archer user could potentially exploit this vulnerability by tricking a victim application user into supplying malicious HTML or JavaScript code to the vulnerable web application; the malicious code is then reflected back to the victim and gets executed by the web browser in the context of the vulnerable web application.

CVE
#xss#vulnerability#web#git#java

Archer Identifier

SA-1

CVE Identifier

CVE-2021-41594, CVE-2021-33616, CVE-2021-38362, CVE-2022-26948, CVE-2022-26949, CVE-2022-26950, CVE-2022-26947, CVE-2022-2695

Severity

Medium

Severity Rating

See below for scores of individual CVEs

Affected Products

Archer versions greater than 6.x

Summary

Archer contains fixes for multiple security vulnerabilities that could potentially be exploited by malicious users to compromise the affected system.

Details

Archer has been updated for the following vulnerabilities:

• Improper Access Control Vulnerability CVE-2021-41594

Archer 6.x through 6.9 SP3 P2 (6.9.3.2) contains an improper access control vulnerability. A remote authenticated malicious user could potentially exploit this vulnerability to gain access to API information that should only be allowed by extra privileges.

CVSSv3 Base Score: 4.8 (AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N)

• Stored Cross-Site Scripting Vulnerability CVE-2021-33616

Archer 6.x through 6.9 SP1 P4 (6.9.1.4) contains a stored XSS vulnerability. A remote authenticated administrative Archer user could potentially exploit this vulnerability to store malicious HTML or JavaScript code in a trusted application data store. When application users access the corrupted data store through their browsers, the malicious code gets executed by the web browser in the context of the vulnerable web application.

CVSSv3 Base Score: 6.3 (AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N)

• REST API Authorization Bypass Vulnerability - CVE-2021-38362

The REST API in Archer 6.x through 6.9 SP3 (6.9.3.0) contains an authorization bypass vulnerability. A remote authenticated malicious user could potentially exploit this vulnerability to view sensitive information.

CVSSv3 Base Score: 6.5 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)

• Insecure Credential Storage Vulnerability with RSS feed – CVE-2021-26948

The Archer RSS feed integration for Archer 6.x through 6.9 SP1 (6.9.1.0) is affected by an insecure credential storage vulnerability. A malicious attacker may obtain access to credential information to use it in further attacks.

CVSSv3.1 Base Score: 5.8 (AV:P/AC:H/PR:L/UI:R/S:U/C:H/I:L/A:H)

• Improper Access Control Vulnerability – CVE-2022-26949

Archer 6.x through 6.9 SP2 P1 (6.9.2.1) contains an improper access control vulnerability on attachments. A remote authenticated malicious user could potentially exploit this vulnerability to gain access to files that should only be allowed by extra privileges.

CVSSv3 Base Score: 5.3 (AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N)

• Open Redirect Vulnerability – CVE-2022-26950

Archer 6.x through 6.9 P2 (6.9.0.2) are affected by an open redirect vulnerability. A remote unprivileged attacker may potentially redirect legitimate users to arbitrary web sites and conduct phishing attacks. The attacker could then steal the victims’ credentials and silently authenticate them to the Archer application without the victims realizing an attack occurred.

CVSSv3 Base Score: 5.4 (AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)

• Cross-site Scripting Vulnerability CVE-2022-26947

Archer 6.x through 6.9 SP3 (6.9.3.0) contains a reflected XSS vulnerability. A remote authenticated malicious Archer user could potentially exploit this vulnerability by tricking a victim application user to supply malicious HTML or JavaScript code to the vulnerable web application; the malicious code is then reflected back to the victim and gets executed by the web browser in the context of the vulnerable web application.

CVSSv3 Base Score: 6.3 (AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N)

• Cross-site Scripting Vulnerability CVE-2022-26951

Archer 6.x through 6.10 (6.10.0.0) contain a reflected XSS vulnerability. A remote SAML unauthenticated malicious Archer user could potentially exploit this vulnerability by tricking a victim application user to supply malicious HTML or JavaScript code to the vulnerable web application, the malicious code is then reflected back to the victim and gets executed by the web browser in the context of the vulnerable web application.

CVSSv3 Base Score: 6.5 (AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N)

Recommendation

For CVE-2021-41594, the following Archer releases contain a resolution to this vulnerability:
• Archer version 6.9 SP3 P3 (6.9.3.3) or higher

For CVE-2021-33616, the following Archer releases contain a resolution to this vulnerability:
• Archer version 6.9 SP2 (6.9.2) or higher

For CVE-2021-38362, the following Archer releases contain a resolution to this vulnerability:
• Archer version 6.9 SP3 HF1 (6.9.3.0.1) or higher

For CVE-2022-26948 (CE-5808), the following Archer releases contain a resolution to this vulnerability:
• Archer version 6.9 SP1 P1 (6.9.1.1) or higher
Note: This security issue was fixed in 6.9 SP1 P1 but introduced a product regression fixed in 6.9 SP2 P1 (CE-9723), so we recommend installing 6.9 SP2 P1 or higher if you utilize the impacted functionality.

For CVE-2022-26949, the following Archer releases contain a resolution to this vulnerability:
• Archer version 6.9 SP2 P2 (6.9.2.2) or higher

For CVE-2022-26950, the following Archer releases contain a resolution to this vulnerability:
• Archer version 6.9 P3 (6.9.0.3) or higher

For CVE-2022-26947, the following Archer releases contain a resolution to this vulnerability:
• Archer version 6.9 SP3 P1 (6.9.3.1) or higher

For CVE-2022-26951, the following Archer releases contain a resolution to this vulnerability:
• Archer version 6.10 P1 (6.10.0.1) or higher

Archer recommends all customers upgrade at the earliest opportunity.

Credit

Archer would like to thank Mariani Francesco for reporting CVE-2021-41594.
Archer would like to thank Mandiant, Angelo Alviar, Michael Maturi, and Troy Knutson for reporting CVE-2021-38362.
Archer would like to thank Mandiant, Angelo Alviar, Michael Maturi, and Troy Knutson for reporting CVE-2021-38616.

Severity Rating

For an explanation of Severity Ratings, refer to the Archer Vulnerability Disclosure Policy. Archer recommends all customers consider both the base score and any relevant temporal and environmental scores which may impact the potential severity associated with particular security vulnerability.

EOPS Policy

Archer has a defined End of Primary Support policy associated with all major versions. Please refer to the Product Version Life Cycle for additional details.

Legal Information

Read and use the information in this Archer Security Advisory to assist in avoiding any situation that might arise from the problems described herein. If you have any questions regarding this advisory, contact Archer Customer Support. Archer distributes Archer Security Advisories in order to bring to the attention of users of the affected Archer products, important security information.

Archer recommends that all users determine the applicability of this information to their individual situations and take appropriate action. The information set forth herein is provided “as is” without warranty of any kind. Archer disclaims all warranties, either express or implied, including the warranties of merchantability, fitness for a particular purpose, title and non-infringement.

In no event shall Archer, its affiliates or its suppliers, be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Archer, its affiliates or its suppliers have been advised of the possibility of such damages. Some jurisdictions do not allow the exclusion or limitation of liability for consequential or incidental damages, so the foregoing limitation may not apply.

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