Multiple vulnerabilities in ConnMan
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2022-23098 CVE-2022-23097 CVE-2022-23096 |
| CWE-ID | CWE-835 CWE-125 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
ConnMan Universal components / Libraries / Libraries used by multiple products |
| Vendor | kernel.org |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Infinite loop
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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsConnMan: 0.1 - 1.40
External linkshttp://git.kernel.org/pub/scm/network/connman/connman.git/log/
http://www.openwall.com/lists/oss-security/2022/01/25/1
http://lists.debian.org/debian-lts-announce/2022/02/msg00009.html
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) Out-of-bounds read
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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsConnMan: 0.1 - 1.40
External linkshttp://git.kernel.org/pub/scm/network/connman/connman.git/log/
http://www.openwall.com/lists/oss-security/2022/01/25/1
http://lists.debian.org/debian-lts-announce/2022/02/msg00009.html
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) Out-of-bounds read
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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsConnMan: 0.1 - 1.40
External linkshttp://git.kernel.org/pub/scm/network/connman/connman.git/log/
http://www.openwall.com/lists/oss-security/2022/01/25/1
http://lists.debian.org/debian-lts-announce/2022/02/msg00009.html
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.
