Anolis OS update for net-snmp



| Updated: 2025-03-28
Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2022-44792
CVE-2022-44793
CWE-ID CWE-476
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Public exploit code for vulnerability #2 is available.
Vulnerable software
 Anolis OS
Operating systems & Components / Operating system

net-snmp-doc
Operating systems & Components / Operating system package or component

net-snmp-utils
Operating systems & Components / Operating system package or component

net-snmp-perl
Operating systems & Components / Operating system package or component

net-snmp-libs
Operating systems & Components / Operating system package or component

net-snmp-devel
Operating systems & Components / Operating system package or component

net-snmp-agent-libs
Operating systems & Components / Operating system package or component

net-snmp
Operating systems & Components / Operating system package or component

Vendor OpenAnolis

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) NULL pointer dereference

EUVDB-ID: #VU70878

Risk: Medium

CVSSv4.0: 5.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2022-44792

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the handle_ipDefaultTTL() function in agent/mibgroup/ip-mib/ip_scalars.c. A remote non-authenticated attacker can send specially crafted UDP to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

net-snmp-doc: before 5.8-27.0.1

net-snmp-utils: before 5.8-27.0.1

net-snmp-perl: before 5.8-27.0.1

net-snmp-libs: before 5.8-27.0.1

net-snmp-devel: before 5.8-27.0.1

net-snmp-agent-libs: before 5.8-27.0.1

net-snmp: before 5.8-27.0.1

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2023:0249


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

2) NULL pointer dereference

EUVDB-ID: #VU70879

Risk: Medium

CVSSv4.0: 7.7 [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:P/U:Green]

CVE-ID: CVE-2022-44793

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the handle_ipv6IpForwarding() function in agent/mibgroup/ip-mib/ip_scalars.c. A remote attacker can send specially crafted UDP packets to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

net-snmp-doc: before 5.8-27.0.1

net-snmp-utils: before 5.8-27.0.1

net-snmp-perl: before 5.8-27.0.1

net-snmp-libs: before 5.8-27.0.1

net-snmp-devel: before 5.8-27.0.1

net-snmp-agent-libs: before 5.8-27.0.1

net-snmp: before 5.8-27.0.1

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2023:0249


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. However, proof of concept for this vulnerability is available.



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