openEuler 24.03 LTS update for botan2



Published: 2024-09-10
Risk Medium
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2024-34702
CVE-2024-34703
CVE-2024-39312
CWE-ID CWE-405
CWE-400
CWE-295
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe 		openEuler
Operating systems & Components / Operating system

botan2-doc
Operating systems & Components / Operating system package or component

botan2-debuginfo
Operating systems & Components / Operating system package or component

python3-botan2
Operating systems & Components / Operating system package or component

botan2-debugsource
Operating systems & Components / Operating system package or component

botan2-devel
Operating systems & Components / Operating system package or component

botan2
Operating systems & Components / Operating system package or component

Vendor openEuler

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Asymmetric Resource Consumption (Amplification)

EUVDB-ID: #VU94671

Risk: Medium

CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2024-34702

CWE-ID: CWE-405 - Asymmetric Resource Consumption (Amplification)

Exploit availability: No

Description

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

The vulnerability exists due to excessive name constraints. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 24.03 LTS

botan2-doc: before 2.19.3-3

botan2-debuginfo: before 2.19.3-3

python3-botan2: before 2.19.3-3

botan2-debugsource: before 2.19.3-3

botan2-devel: before 2.19.3-3

botan2: before 2.19.3-3

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1923


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.

2) Resource exhaustion

EUVDB-ID: #VU96994

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-2024-34703

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due to application does not properly control consumption of internal resources when parsing X.509 certificates. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 24.03 LTS

botan2-doc: before 2.19.3-3

botan2-debuginfo: before 2.19.3-3

python3-botan2: before 2.19.3-3

botan2-debugsource: before 2.19.3-3

botan2-devel: before 2.19.3-3

botan2: before 2.19.3-3

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1923


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) Improper Certificate Validation

EUVDB-ID: #VU94669

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-39312

CWE-ID: CWE-295 - Improper Certificate Validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the Name Constraint Decoding bug. A remote attacker can cause the target system to accept arbitrary certificates.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 24.03 LTS

botan2-doc: before 2.19.3-3

botan2-debuginfo: before 2.19.3-3

python3-botan2: before 2.19.3-3

botan2-debugsource: before 2.19.3-3

botan2-devel: before 2.19.3-3

botan2: before 2.19.3-3

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1923


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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