CVE-2022-23098

An issue was discovered in the DNS proxy in Connman through 1.40. The TCP server reply implementation has an infinite loop if no data is received.

An issue was discovered in the DNS proxy in Connman through 1.40. The TCP server reply implementation has an infinite loop if no data is received.

TCP Receive Path does not Check for Presence of Sufficient Header Data. (CVE-2022-23096)

Possibly invalid memory reference in 'strnlen()' call in 'forward_dns_reply()'. (CVE-2022-23097)

TCP Receive Path Triggers 100 % CPU loop if DNS server does not Send Back Data. (CVE-2022-23098)

These are all security issues fixed in the connman-1.41-1.1 package on the GA media of openSUSE Tumbleweed.

It was discovered that ConnMan could be made to write out of bounds. A remote attacker could possibly use this issue to cause ConnMan to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-26675, CVE-2021-33833)

It was discovered that ConnMan could be made to leak sensitive information via the gdhcp component. A remote attacker could possibly use this issue to obtain information for further exploitation. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. (CVE-2021-26676)

It was discovered that ConnMan could be made to read out of bounds. A remote attacker could possibly use this issue to case ConnMan to crash, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2022-23096, CVE-2022-23097)

It was discovered that ConnMan could be made to run into an infinite loop. A remote attacker could possibly use this issue to cause ConnMan to consume resources and to stop operating, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2022-23098)

It was discovered that ConnMan could be made to write out of bounds via the gweb component. A remote attacker could possibly use this issue to cause ConnMan to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2022-32292)

It was discovered that ConnMan did not properly manage memory under certain circumstances. A remote attacker could possibly use this issue to cause ConnMan to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2022-32293)

It was discovered that ConnMan could be made to write out of bounds via the gdhcp component. A remote attacker could possibly use this issue to cause ConnMan to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2023-28488)