PRIOn knowledge basePRION:CVE-2018-20685Directory traversal
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
6 Medium
AI Score
Confidence
High
2.6 Low
CVSS2
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:H/Au:N/C:N/I:P/A:N
0.007 Low
EPSS
Percentile
79.6%
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.
References
www.securityfocus.com/bid/106531
access.redhat.com/errata/RHSA-2019:3702
cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/scp.c.diff?r1=1.197&r2=1.198&f=h
github.com/openssh/openssh-portable/commit/6010c0303a422a9c5fa8860c061bf7105eb7f8b2
lists.debian.org/debian-lts-announce/2019/03/msg00030.html
security.gentoo.org/glsa/201903-16
security.gentoo.org/glsa/202007-53
security.netapp.com/advisory/ntap-20190215-0001/
sintonen.fi/advisories/scp-client-multiple-vulnerabilities.txt
usn.ubuntu.com/3885-1/
www.debian.org/security/2019/dsa-4387
www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
Related
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
6 Medium
AI Score
Confidence
High
2.6 Low
CVSS2
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:H/Au:N/C:N/I:P/A:N
0.007 Low
EPSS
Percentile
79.6%