Veracode Vulnerability DatabaseVERACODE:21836Access Restrictions Bypass
0.005 Low
EPSS
Percentile
76.2%
openssh is vulnerable to access restrictions bypass. Due to improper parsing of filenames such as . or empty filenames, the SCP client allows remote SSH servers to bypass access restrictions and perform unauthorized configuration of directory permissions on the client-side.
References
www.securityfocus.com/bid/106531
access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.1_release_notes/
access.redhat.com/errata/RHSA-2019:3702
access.redhat.com/security/updates/classification/#moderate
bugzilla.redhat.com/show_bug.cgi?id=1667519
bugzilla.redhat.com/show_bug.cgi?id=1668325
bugzilla.redhat.com/show_bug.cgi?id=1683295
bugzilla.redhat.com/show_bug.cgi?id=1685096
bugzilla.redhat.com/show_bug.cgi?id=1686065
bugzilla.redhat.com/show_bug.cgi?id=1691045
bugzilla.redhat.com/show_bug.cgi?id=1707485
bugzilla.redhat.com/show_bug.cgi?id=1712436
bugzilla.redhat.com/show_bug.cgi?id=1732424
bugzilla.redhat.com/show_bug.cgi?id=1732449
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
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