Risk | High |
Patch available | YES |
Number of vulnerabilities | 7 |
CVE-ID | CVE-2021-38425 CVE-2023-39534 CVE-2023-39945 CVE-2023-39946 CVE-2023-39947 CVE-2023-39948 CVE-2023-39949 |
CWE-ID | CWE-399 CWE-617 CWE-248 CWE-122 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software |
Ubuntu Operating systems & Components / Operating system libfastrtps2.5 (Ubuntu package) Operating systems & Components / Operating system package or component libfastrtps2.9 (Ubuntu package) Operating systems & Components / Operating system package or component fastdds-tools (Ubuntu package) Operating systems & Components / Operating system package or component |
Vendor | Canonical Ltd. |
Security Bulletin
This security bulletin contains information about 7 vulnerabilities.
EUVDB-ID: #VU79817
Risk: Medium
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2021-38425
CWE-ID:
CWE-399 - Resource Management Errors
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources within the application. A remote attacker can send specially crafted packets to the system and perform a denial of service (DoS) attack.
MitigationUpdate the affected package fastdds to the latest version.
Vulnerable software versionsUbuntu: 22.04 - 23.04
libfastrtps2.5 (Ubuntu package): before Ubuntu Pro
libfastrtps2.9 (Ubuntu package): before 2.9.1+ds-1ubuntu0.1
fastdds-tools (Ubuntu package): before Ubuntu Pro
CPE2.3https://ubuntu.com/security/notices/USN-6306-1
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.
EUVDB-ID: #VU79819
Risk: Medium
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2023-39534
CWE-ID:
CWE-617 - Reachable Assertion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a reachable assertion when processing malformed GAP submessages. A remote attacker can send specially crafted traffic to the system and perform a denial of service (DoS) attack.
Update the affected package fastdds to the latest version.
Vulnerable software versionsUbuntu: 22.04 - 23.04
libfastrtps2.5 (Ubuntu package): before Ubuntu Pro
libfastrtps2.9 (Ubuntu package): before 2.9.1+ds-1ubuntu0.1
fastdds-tools (Ubuntu package): before Ubuntu Pro
CPE2.3https://ubuntu.com/security/notices/USN-6306-1
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.
EUVDB-ID: #VU79820
Risk: Medium
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2023-39945
CWE-ID:
CWE-248 - Uncaught Exception
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to an uncaught exception when handling data submessage sent to PDP port in fastcdr. A remote attacker can send specially crafted data to the system and perform a denial of service (DoS) attack.
Update the affected package fastdds to the latest version.
Vulnerable software versionsUbuntu: 22.04 - 23.04
libfastrtps2.5 (Ubuntu package): before Ubuntu Pro
libfastrtps2.9 (Ubuntu package): before 2.9.1+ds-1ubuntu0.1
fastdds-tools (Ubuntu package): before Ubuntu Pro
CPE2.3https://ubuntu.com/security/notices/USN-6306-1
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.
EUVDB-ID: #VU79821
Risk: High
CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2023-39946
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in eprosima::fastdds::dds::ParameterPropertyList_t::push_back_helper() function. A remote attacker can send an overly long CDR string to the discovery multicast port, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
MitigationUpdate the affected package fastdds to the latest version.
Vulnerable software versionsUbuntu: 22.04 - 23.04
libfastrtps2.5 (Ubuntu package): before Ubuntu Pro
libfastrtps2.9 (Ubuntu package): before 2.9.1+ds-1ubuntu0.1
fastdds-tools (Ubuntu package): before Ubuntu Pro
CPE2.3https://ubuntu.com/security/notices/USN-6306-1
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.
EUVDB-ID: #VU79822
Risk: High
CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2023-39947
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error. A remote attacker can send a specially crafted PID_PROPERTY_LIST parameter to the system, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Update the affected package fastdds to the latest version.
Vulnerable software versionsUbuntu: 22.04 - 23.04
libfastrtps2.5 (Ubuntu package): before Ubuntu Pro
libfastrtps2.9 (Ubuntu package): before 2.9.1+ds-1ubuntu0.1
fastdds-tools (Ubuntu package): before Ubuntu Pro
CPE2.3https://ubuntu.com/security/notices/USN-6306-1
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.
EUVDB-ID: #VU79823
Risk: Medium
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2023-39948
CWE-ID:
CWE-248 - Uncaught Exception
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to an uncaught exception when handling data submessage. A remote attacker can send specially crafted data to the system and perform a denial of service (DoS) attack. MitigationUpdate the affected package fastdds to the latest version.
Vulnerable software versionsUbuntu: 22.04 - 23.04
libfastrtps2.5 (Ubuntu package): before Ubuntu Pro
libfastrtps2.9 (Ubuntu package): before 2.9.1+ds-1ubuntu0.1
fastdds-tools (Ubuntu package): before Ubuntu Pro
CPE2.3https://ubuntu.com/security/notices/USN-6306-1
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.
EUVDB-ID: #VU79824
Risk: Medium
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2023-39949
CWE-ID:
CWE-617 - Reachable Assertion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a reachable assertion caused by improper validation of sequence numbers. A remote attacker can send specially crafted data to the system and perform a denial of service (DoS) attack.
Update the affected package fastdds to the latest version.
Vulnerable software versionsUbuntu: 22.04 - 23.04
libfastrtps2.5 (Ubuntu package): before Ubuntu Pro
libfastrtps2.9 (Ubuntu package): before 2.9.1+ds-1ubuntu0.1
fastdds-tools (Ubuntu package): before Ubuntu Pro
CPE2.3https://ubuntu.com/security/notices/USN-6306-1
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.