Anolis OS update for krb5



Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2024-37370
CVE-2024-37371
CWE-ID CWE-20
CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Anolis OS
Operating systems & Components / Operating system

libkadm5
Operating systems & Components / Operating system package or component

krb5-workstation
Operating systems & Components / Operating system package or component

krb5-server-ldap
Operating systems & Components / Operating system package or component

krb5-server
Operating systems & Components / Operating system package or component

krb5-pkinit
Operating systems & Components / Operating system package or component

krb5-libs
Operating systems & Components / Operating system package or component

krb5-devel
Operating systems & Components / Operating system package or component

Vendor OpenAnolis

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU93518

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-37370

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can modify the plaintext Extra Count field of a confidential GSS krb5 wrap token, causing the unwrapped token to appear truncated to the application.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 7

libkadm5: before 1.15.1-55.0.2

krb5-workstation: before 1.15.1-55.0.2

krb5-server-ldap: before 1.15.1-55.0.2

krb5-server: before 1.15.1-55.0.2

krb5-pkinit: before 1.15.1-55.0.2

krb5-libs: before 1.15.1-55.0.2

krb5-devel: before 1.15.1-55.0.2

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2024:0901


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: #VU93519

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-37371

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when handling GSS message token. A remote attacker can send specially crafted token to the application, trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 7

libkadm5: before 1.15.1-55.0.2

krb5-workstation: before 1.15.1-55.0.2

krb5-server-ldap: before 1.15.1-55.0.2

krb5-server: before 1.15.1-55.0.2

krb5-pkinit: before 1.15.1-55.0.2

krb5-libs: before 1.15.1-55.0.2

krb5-devel: before 1.15.1-55.0.2

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2024:0901


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.



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