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CVE-2018-20685

CVE-2018-20685

CVSS 5.3 MEDIUMEPSS 3.7%CWE-863
In OpenSSH 7.9, scp.c in the scp client allows remote SSH servers to bypass intended access restrictions via the filename of . or an empty filename. The impact is modifying the permissions of the target directory on the client side.
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Affected products
n/a · n/a

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References
https://access.redhat.com/errata/RHSA-2019:3702https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdfhttps://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/scp.c.diff?r1=1.197&r2=1.198&f=hhttps://github.com/openssh/openssh-portable/commit/6010c0303a422a9c5fa8860c061bf7105eb7f8b2https://lists.debian.org/debian-lts-announce/2019/03/msg00030.htmlhttps://security.gentoo.org/glsa/201903-16https://security.gentoo.org/glsa/202007-53https://security.netapp.com/advisory/ntap-20190215-0001/https://sintonen.fi/advisories/scp-client-multiple-vulnerabilities.txthttps://usn.ubuntu.com/3885-1/https://www.debian.org/security/2019/dsa-4387https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html