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 |
gnutls28 (Debian package) Operating systems & Components / Operating system package or component |
Vendor | Debian |
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.
Update gnutls28 package to version 3.6.7-4+deb10u3.
Vulnerable software versionsgnutls28 (Debian package): 3.6.7-4+deb10u1 - 3.6.7-4+deb10u2
External linkshttp://www.debian.org/security/2020/dsa-4652
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.