Use of insufficiently random values in Go crypto
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2019-11840 |
| CWE-ID | CWE-330 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
crypto Universal components / Libraries / Libraries used by multiple products |
| Vendor |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Use of insufficiently random values
EUVDB-ID: #VU73227
Risk: Medium
CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-11840
CWE-ID:
CWE-330 - Use of Insufficiently Random Values
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists in the amd64 implementation of golang.org/x/crypto/salsa20 and golang.org/x/crypto/salsa20/salsa. A remote unauthenticated attacker can trigger the vulnerability and gain access to sensitive information.
MitigationInstall updates from vendor's website.
Vulnerable software versionscrypto: before 0.0.0-0.20190320223903-b7391e95e576
External linkshttp://groups.google.com/forum/#!msg/golang-announce/tjyNcJxb2vQ/n0NRBziSCAAJ
http://go.googlesource.com/crypto/+/b7391e95e576cacdcdd422573063bc057239113d
http://github.com/golang/go/issues/30965
http://bugzilla.redhat.com/show_bug.cgi?id=1691529
http://lists.debian.org/debian-lts-announce/2019/06/msg00029.html
http://lists.debian.org/debian-lts-announce/2020/10/msg00014.html
http://lists.debian.org/debian-lts-announce/2020/11/msg00016.html
http://lists.debian.org/debian-lts-announce/2020/11/msg00030.html
http://lists.debian.org/debian-lts-announce/2021/01/msg00015.html
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.
