Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2020-11501 |
CWE-ID | CWE-330 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
openEuler Operating systems & Components / Operating system gnutls-help Operating systems & Components / Operating system package or component gnutls-devel Operating systems & Components / Operating system package or component gnutls-debugsource Operating systems & Components / Operating system package or component gnutls-debuginfo Operating systems & Components / Operating system package or component gnutls Operating systems & Components / Operating system package or component |
Vendor | openEuler |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU26487
Risk: Medium
CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-11501
CWE-ID:
CWE-330 - Use of Insufficiently Random Values
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to decrypt data.
The vulnerability exists in GnuTLS DTLS protocol implementation due to an error in code that caused DTLS client not to contribute any randomness to the DTLS negotiation. As a result a remote attacker with ability to intercept network traffic can decrypt data passed via TLS 1.3 connection and gain access to sensitive information.
Install updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS
gnutls-help: before 3.6.9-6
gnutls-devel: before 3.6.9-6
gnutls-debugsource: before 3.6.9-6
gnutls-debuginfo: before 3.6.9-6
gnutls: before 3.6.9-6
External linkshttp://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2020-1003
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.