Amazon Linux 2 Security Advisory: ALAS2-2018-1042
Advisory Released Date: 2018-06-20
Advisory Updated Date: 2018-07-24
Severity:
Low
Issue Overview:
The process_open function in sftp-server.c in OpenSSH before 7.6 does not properly prevent write operations in readonly mode, which allows attackers to create zero-length files.(CVE-2017-15906)
Affected Packages:
openssh
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update openssh to update your system.
New Packages:
src:
openssh-7.4p1-16.amzn2.0.1.src
x86_64:
openssh-7.4p1-16.amzn2.0.1.x86_64
openssh-clients-7.4p1-16.amzn2.0.1.x86_64
openssh-server-7.4p1-16.amzn2.0.1.x86_64
openssh-server-sysvinit-7.4p1-16.amzn2.0.1.x86_64
openssh-ldap-7.4p1-16.amzn2.0.1.x86_64
openssh-keycat-7.4p1-16.amzn2.0.1.x86_64
openssh-askpass-7.4p1-16.amzn2.0.1.x86_64
openssh-cavs-7.4p1-16.amzn2.0.1.x86_64
pam_ssh_agent_auth-0.10.3-2.16.amzn2.x86_64
openssh-debuginfo-7.4p1-16.amzn2.0.1.x86_64