Amazon Linux 1 Security Advisory: ALAS-2019-1328
Advisory Release Date: 2019-12-13 21:17 Pacific
Advisory Updated Date: 2019-12-19 23:35 Pacific
FAQs regarding Amazon Linux ALAS/CVE Severity
Insufficient sanitation of environment variables passed to rsync can bypass the restrictions imposed by rssh, a restricted shell that should restrict users to perform only rsync operations, resulting in the execution of arbitrary shell commands. (CVE-2019-3464)
Insufficient sanitation of arguments passed to rsync can bypass the restrictions imposed by rssh, a restricted shell that should restrict users to perform only rsync operations, resulting in the execution of arbitrary shell commands. (CVE-2019-3463)
rssh version 2.3.4 contains a CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in 'allowscp' permission that can result in Local command execution. This attack appear to be exploitable via An authorized SSH user with the 'allowscp' permission. (CVE-2019-1000018)
Affected Packages:
rssh
Issue Correction:
Run yum update rssh to update your system.
i686:
rssh-2.3.4-15.3.amzn1.i686
rssh-debuginfo-2.3.4-15.3.amzn1.i686
src:
rssh-2.3.4-15.3.amzn1.src
x86_64:
rssh-debuginfo-2.3.4-15.3.amzn1.x86_64
rssh-2.3.4-15.3.amzn1.x86_64