An issue was discovered in the supplementary Go cryptography library, golang.org/x/crypto, before v0.0.0-20190320223903-b7391e95e576. A flaw was found in the amd64 implementation of the golang.org/x/crypto/salsa20 and golang.org/x/crypto/salsa20/salsa packages. If more than 256 GiB of keystream is generated, or if the counter otherwise grows greater than 32 bits, the amd64 implementation will first generate incorrect output, and then cycle back to previously generated keystream. Repeated keystream bytes can lead to loss of confidentiality in encryption applications, or to predictability in CSPRNG applications.
                
            Metrics
Affected Vendors & Products
Advisories
    | Source | ID | Title | 
|---|---|---|
|  Debian DLA | DLA-1840-1 | golang-go.crypto security update | 
|  Debian DLA | DLA-2402-1 | golang-go.crypto security update | 
|  Debian DLA | DLA-2442-1 | obfs4proxy security update | 
|  Debian DLA | DLA-2454-1 | rclone security update | 
|  Debian DLA | DLA-2527-1 | snapd security update | 
|  Debian DLA | DLA-3455-1 | golang-go.crypto security update | 
|  EUVD | EUVD-2022-5096 | An issue was discovered in the supplementary Go cryptography library, golang.org/x/crypto, before v0.0.0-20190320223903-b7391e95e576. A flaw was found in the amd64 implementation of the golang.org/x/crypto/salsa20 and golang.org/x/crypto/salsa20/salsa packages. If more than 256 GiB of keystream is generated, or if the counter otherwise grows greater than 32 bits, the amd64 implementation will first generate incorrect output, and then cycle back to previously generated keystream. Repeated keystream bytes can lead to loss of confidentiality in encryption applications, or to predictability in CSPRNG applications. | 
|  Github GHSA | GHSA-r5c5-pr8j-pfp7 | golang.org/x/crypto/salsa20/salsa uses insufficiently random values | 
Fixes
    Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
        History
                    No history.
 MITRE
                        MITRE
                    Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-04T23:03:32.886Z
Reserved: 2019-05-09T00:00:00
Link: CVE-2019-11840
 Vulnrichment
                        Vulnrichment
                    No data.
 NVD
                        NVD
                    Status : Modified
Published: 2019-05-09T16:29:00.607
Modified: 2024-11-21T04:21:52.383
Link: CVE-2019-11840
 Redhat
                        Redhat
                     OpenCVE Enrichment
                        OpenCVE Enrichment
                    No data.