It was found that the boundary checks in the code implementing support for pre-authentication compression could have been optimized out by certain compilers. An attacker able to compromise the privilege-separated process could possibly use this flaw for further attacks against the privileged monitor process.
Platform | Package | Release Date | Advisory |
---|---|---|---|
Amazon Linux 1 | openssh | 2017-10-03 11:00 | ALAS-2017-898 |
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv2 | 3.6 | AV:N/AC:H/Au:S/C:P/I:P/A:N |
Amazon Linux | CVSSv3 | 4.2 | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N |
NVD | CVSSv2 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
NVD | CVSSv3 | 7.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |