Multiple vulnerabilities in JBoss Enterprise Application Platform



Published: 2021-03-17
Risk High
Patch available YES
Number of vulnerabilities 6
CVE-ID CVE-2020-8908
CVE-2020-10687
CVE-2020-28052
CVE-2020-35510
CVE-2021-20220
CVE-2021-20250
CWE-ID CWE-276
CWE-444
CWE-1025
CWE-20
CWE-284
Exploitation vector Network
Public exploit Public exploit code for vulnerability #3 is available.
Vulnerable software
Subscribe 		JBoss Enterprise Application Platform
Server applications / Application servers

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains information about 6 vulnerabilities.

1) Incorrect default permissions

EUVDB-ID: #VU50139

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-8908

CWE-ID: CWE-276 - Incorrect Default Permissions

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to incorrect default permissions for files located in the temporary directory set by the Guava com.google.common.io.Files.createTempDir(). A local user with access to the system can view contents of files and directories or modify them.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

JBoss Enterprise Application Platform: 7.3.0 - 7.3.5

External links

http://access.redhat.com/errata/RHSA-2021:0873
http://access.redhat.com/errata/RHSA-2021:0874


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

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: #VU51516

Risk: Medium

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-10687

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 when processing HTTP/1.x and HTTP/2 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

Install updates from vendor's website.

Vulnerable software versions

JBoss Enterprise Application Platform: 7.3.0 - 7.3.5

External links

http://access.redhat.com/errata/RHSA-2021:0873
http://access.redhat.com/errata/RHSA-2021:0874


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) Comparison using wrong factors

EUVDB-ID: #VU49086

Risk: High

CVSSv3.1: 7.3 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-28052

CWE-ID: CWE-1025 - Comparison using wrong factors

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to brute-force password hashes.

The vulnerability exists due to comparison error in OpenBSDBCrypt.checkPassword() function in core/src/main/java/org/bouncycastle/crypto/generators/OpenBSDBCrypt.java when matching passwords with hashes. A remote attacker can pass an incorrect password that will be accepted as a valid one by the library, bypass authentication process and gain unauthorized access to the application that uses vulnerable version of Bouncy Castle.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

JBoss Enterprise Application Platform: 7.3.0 - 7.3.5

External links

http://access.redhat.com/errata/RHSA-2021:0873
http://access.redhat.com/errata/RHSA-2021:0874


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. However, proof of concept for this vulnerability is available.

4) Input validation error

EUVDB-ID: #VU51521

Risk: Medium

CVSSv3.1: 6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-35510

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input when processing EJB client requests. A remote user can send specially crafted EJB message to the server and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

JBoss Enterprise Application Platform: 7.3.0 - 7.3.5

External links

http://access.redhat.com/errata/RHSA-2021:0873
http://access.redhat.com/errata/RHSA-2021:0874


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Inconsistent interpretation of HTTP requests

EUVDB-ID: #VU51518

Risk: Medium

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-20220

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 when processing HTTP/1.x and HTTP/2  protocols. 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

Install updates from vendor's website.

Vulnerable software versions

JBoss Enterprise Application Platform: 7.3.0 - 7.3.5

External links

http://access.redhat.com/errata/RHSA-2021:0873
http://access.redhat.com/errata/RHSA-2021:0874


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.

6) Improper access control

EUVDB-ID: #VU51520

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-20250

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote non-authenticated attacker can  gain unauthorized access to sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

JBoss Enterprise Application Platform: 7.3.0 - 7.3.5

External links

http://access.redhat.com/errata/RHSA-2021:0873
http://access.redhat.com/errata/RHSA-2021:0874


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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