Risk | High |
Patch available | YES |
Number of vulnerabilities | 9 |
CVE-ID | CVE-2021-26675 CVE-2021-26676 CVE-2021-33833 CVE-2022-23096 CVE-2022-23097 CVE-2022-23098 CVE-2022-32292 CVE-2022-32293 CVE-2023-28488 |
CWE-ID | CWE-121 CWE-401 CWE-125 CWE-835 CWE-787 CWE-415 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Ubuntu Operating systems & Components / Operating system connman (Ubuntu package) Operating systems & Components / Operating system package or component |
Vendor | Canonical Ltd. |
Security Bulletin
This security bulletin contains information about 9 vulnerabilities.
EUVDB-ID: #VU50670
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-26675
CWE-ID:
CWE-121 - Stack-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 within dnsproxy in ConnMan. A remote unauthenticated attacker on the local network can send specially crafted packets to the affected system, trigger a stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationUpdate the affected package connman to the latest version.
Vulnerable software versionsUbuntu: 16.04 - 23.04
connman (Ubuntu package): before Ubuntu Pro
External linkshttp://ubuntu.com/security/notices/USN-6236-1
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU50669
Risk: Medium
CVSSv3.1: 6.4 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-26676
CWE-ID:
CWE-401 - Missing release of memory after effective lifetime
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due memory leak in gdhcp in ConnMan. A remote attacker on the local network can force the application to leak sensitive stack information.
MitigationUpdate the affected package connman to the latest version.
Vulnerable software versionsUbuntu: 16.04 - 23.04
connman (Ubuntu package): before Ubuntu Pro
External linkshttp://ubuntu.com/security/notices/USN-6236-1
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU53998
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-2021-33833
CWE-ID:
CWE-121 - Stack-based buffer overflow
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 within the dnsproxy component in the uncompress function when unpacking NAME and RDATA/RDLENGTH fields with TYPE A/AAAA. A remote attacker can send specially crafted DNS packet to the ConnMan and perform a denial of service (DoS) attack.
Update the affected package connman to the latest version.
Vulnerable software versionsUbuntu: 16.04 - 23.04
connman (Ubuntu package): before Ubuntu Pro
External linkshttp://ubuntu.com/security/notices/USN-6236-1
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: #VU67465
Risk: Medium
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-23096
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information or perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition in the DNS proxy dnsproxy.c when handling Header Data in DNS responses. A remote attacker can send specially crafted TCP packets to the affected software, trigger an out-of-bounds read error and read contents of memory on the system or perform a denial of service (DoS) attack.
MitigationUpdate the affected package connman to the latest version.
Vulnerable software versionsUbuntu: 16.04 - 23.04
connman (Ubuntu package): before Ubuntu Pro
External linkshttp://ubuntu.com/security/notices/USN-6236-1
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: #VU67466
Risk: Medium
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-23097
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition within the forward_dns_reply() function in the DNS proxy. A remote attacker can send specially crafted TCP packets to the application, trigger an out-of-bounds read error and read contents of memory on the system or perform a denial of service (DoS) attack.
MitigationUpdate the affected package connman to the latest version.
Vulnerable software versionsUbuntu: 16.04 - 23.04
connman (Ubuntu package): before Ubuntu Pro
External linkshttp://ubuntu.com/security/notices/USN-6236-1
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: #VU67467
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-2022-23098
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 handling TCP connections. A remote attacker can send specially crafted packets to the application, consume all available system resources and cause denial of service conditions.
MitigationUpdate the affected package connman to the latest version.
Vulnerable software versionsUbuntu: 16.04 - 23.04
connman (Ubuntu package): before Ubuntu Pro
External linkshttp://ubuntu.com/security/notices/USN-6236-1
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: #VU67397
Risk: Medium
CVSSv3.1: 7.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-32292
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error within the received_data method. A remote attacker on the local network can trigger out-of-bounds write and execute arbitrary code on the target system.
MitigationUpdate the affected package connman to the latest version.
Vulnerable software versionsUbuntu: 16.04 - 23.04
connman (Ubuntu package): before Ubuntu Pro
External linkshttp://ubuntu.com/security/notices/USN-6236-1
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU67410
Risk: Medium
CVSSv3.1: 7.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-32293
CWE-ID:
CWE-415 - Double Free
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 within the wispr_portal_web_result method. A remote attacker on the local network can pass specially crafted data to the application, trigger double free error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationUpdate the affected package connman to the latest version.
Vulnerable software versionsUbuntu: 16.04 - 23.04
connman (Ubuntu package): before Ubuntu Pro
External linkshttp://ubuntu.com/security/notices/USN-6236-1
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU75171
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-2023-28488
CWE-ID:
CWE-121 - Stack-based buffer overflow
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 listener_event function in the ./gdhcp/client.c. A remote unauthenticated attacker can trigger stack-based buffer overflow and cause a denial of service condition on the target system.
MitigationUpdate the affected package connman to the latest version.
Vulnerable software versionsUbuntu: 16.04 - 23.04
connman (Ubuntu package): before Ubuntu Pro
External linkshttp://ubuntu.com/security/notices/USN-6236-1
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.