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Huawei EulerOS: Security Advisory for openssh (EulerOS-SA-2020-1978)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the Huawei EulerOS 'openssh' package(s) announced via the EulerOS-SA-2020-1978 advisory.
Insight
Insight
** DISPUTED ** The scp client in OpenSSH 8.2 incorrectly sends duplicate responses to the server upon a utimes system call failure, which allows a malicious unprivileged user on the remote server to overwrite arbitrary files in the client's download directory by creating a crafted subdirectory anywhere on the remote server. The victim must use the command scp -rp to download a file hierarchy containing, anywhere inside, this crafted subdirectory. NOTE: the vendor points out that 'this attack can achieve no more than a hostile peer is already able to achieve within the scp protocol' and 'utimes does not fail under normal circumstances.'(CVE-2020-12062)
Affected Software
Affected Software
'openssh' package(s) on Huawei EulerOS Virtualization for ARM 64 3.0.2.0.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
Please install the updated package(s).