Multiple vulnerabilities in Red Hat JBoss Enterprise Application Platform
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 5 |
| CVE-ID | CVE-2021-30129 CVE-2021-37714 CVE-2021-3629 CVE-2021-20289 CVE-2021-3717 |
| CWE-ID | CWE-119 CWE-835 CWE-400 CWE-200 CWE-552 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
JBoss Enterprise Application Platform Server applications / Application servers |
| Vendor | Red Hat Inc. |
Security Bulletin
This security bulletin contains information about 5 vulnerabilities.
1) Buffer overflow
EUVDB-ID: #VU56931
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-2021-30129
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the sshd-core of Apache Mina SSHD. A remote attacker can send specially crafted requests to the server, trigger buffer overflow and perform a denial of service (DoS) attack.
Install updates from vendor's website.
JBoss Enterprise Application Platform: 7.4.0 - 7.4.1
External linkshttp://access.redhat.com/errata/RHSA-2021:4676
http://access.redhat.com/errata/RHSA-2021:4677
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) Infinite loop
EUVDB-ID: #VU58176
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-2021-37714
CWE-ID:
CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop when processing untrusted HTML and XML code. A remote attacker can consume all available system resources and cause denial of service conditions.
MitigationInstall updates from vendor's website.
JBoss Enterprise Application Platform: 7.4.0 - 7.4.1
External linkshttp://access.redhat.com/errata/RHSA-2021:4676
http://access.redhat.com/errata/RHSA-2021:4677
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) Resource exhaustion
EUVDB-ID: #VU58177
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-2021-3629
CWE-ID:
CWE-400 - Resource exhaustion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to Undertow does not properly control consumption of internal resources when processing HTTP/2 requests. A remote attacker can send specially crafted HTTP/2 requests to the web server, trigger resource exhaustion and perform a denial of service (DoS) attack.
MitigationInstall updates from vendor's website.
JBoss Enterprise Application Platform: 7.4.0 - 7.4.1
External linkshttp://access.redhat.com/errata/RHSA-2021:4676
http://access.redhat.com/errata/RHSA-2021:4677
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) Information disclosure
EUVDB-ID: #VU56965
Risk: Low
CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-20289
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application when RESTEasy cannot convert one of the request URI path or query values to the matching JAX-RS resource method's parameter value. A remote attacker can obtain endpoint class and method names.
MitigationInstall updates from vendor's website.
JBoss Enterprise Application Platform: 7.4.0 - 7.4.1
External linkshttp://access.redhat.com/errata/RHSA-2021:4676
http://access.redhat.com/errata/RHSA-2021:4677
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.
5) Files or Directories Accessible to External Parties
EUVDB-ID: #VU58178
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-3717
CWE-ID:
CWE-552 - Files or Directories Accessible to External Parties
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to an incorrect JBOSS_LOCAL_USER challenge location. A local unprivileged user can access any user account on the affected system.
Install updates from vendor's website.
JBoss Enterprise Application Platform: 7.4.0 - 7.4.1
External linkshttp://access.redhat.com/errata/RHSA-2021:4676
http://access.redhat.com/errata/RHSA-2021:4677
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.
