CVE-2018-20685

Sažetak

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.

Reference

https://github.com/openssh/openssh-portable/commit/6010c0303a422a9c5fa8860c061bf7105eb7f8b2
https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/scp.c.diff?r1=1.197&r2=1.198&f=h
http://www.securityfocus.com/bid/106531
https://sintonen.fi/advisories/scp-client-multiple-vulnerabilities.txt
https://usn.ubuntu.com/3885-1/
https://www.debian.org/security/2019/dsa-4387
https://security.netapp.com/advisory/ntap-20190215-0001/
https://security.gentoo.org/glsa/201903-16
https://lists.debian.org/debian-lts-announce/2019/03/msg00030.html
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
https://access.redhat.com/errata/RHSA-2019:3702
https://security.gentoo.org/glsa/202007-53
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf

CVSS

Base:	2.6
Impact:	2.9
Exploitability:	4.9

Pristup

Vektor	Složenost	Autentikacija
NETWORK	HIGH	NONE

Impact

Povjerljivost	Cjelovitost	Dostupnost
NONE	PARTIAL	NONE

CVSS vektor

AV:N/AC:H/Au:N/C:N/I:P/A:N

Zadnje važnije ažuriranje

23-02-2023 - 23:15

Objavljeno

10-01-2019 - 21:29