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CVE-2019-6111 Detail

Description

An issue was discovered in OpenSSH 7.9. Due to the scp implementation being derived from 1983 rcp, the server chooses which files/directories are sent to the client. However, the scp client only performs cursory validation of the object name returned (only directory traversal attacks are prevented). A malicious scp server (or Man-in-The-Middle attacker) can overwrite arbitrary files in the scp client target directory. If recursive operation (-r) is performed, the server can manipulate subdirectories as well (for example, to overwrite the .ssh/authorized_keys file).


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 3.x Severity and Vector Strings:

NIST CVSS score
NIST: NVD
Base Score:  5.9 MEDIUM
Vector:  CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00058.html Broken Link 
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00058.html Broken Link 
http://www.openwall.com/lists/oss-security/2019/04/18/1 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2019/04/18/1 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2022/08/02/1 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2022/08/02/1 Mailing List  Third Party Advisory 
http://www.securityfocus.com/bid/106741 Broken Link  Third Party Advisory  VDB Entry 
http://www.securityfocus.com/bid/106741 Broken Link  Third Party Advisory  VDB Entry 
https://access.redhat.com/errata/RHSA-2019:3702 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:3702 Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=1677794 Exploit  Issue Tracking  Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=1677794 Exploit  Issue Tracking  Third Party Advisory 
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf Third Party Advisory 
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf Third Party Advisory 
https://cvsweb.openbsd.org/src/usr.bin/ssh/scp.c Release Notes 
https://cvsweb.openbsd.org/src/usr.bin/ssh/scp.c Release Notes 
https://lists.apache.org/thread.html/c45d9bc90700354b58fb7455962873c44229841880dcb64842fa7d23%40%3Cdev.mina.apache.org%3E
https://lists.apache.org/thread.html/c45d9bc90700354b58fb7455962873c44229841880dcb64842fa7d23%40%3Cdev.mina.apache.org%3E
https://lists.apache.org/thread.html/c7301cab36a86825359e1b725fc40304d1df56dc6d107c1fe885148b%40%3Cdev.mina.apache.org%3E
https://lists.apache.org/thread.html/c7301cab36a86825359e1b725fc40304d1df56dc6d107c1fe885148b%40%3Cdev.mina.apache.org%3E
https://lists.apache.org/thread.html/d540139359de999b0f1c87d05b715be4d7d4bec771e1ae55153c5c7a%40%3Cdev.mina.apache.org%3E
https://lists.apache.org/thread.html/d540139359de999b0f1c87d05b715be4d7d4bec771e1ae55153c5c7a%40%3Cdev.mina.apache.org%3E
https://lists.apache.org/thread.html/e47597433b351d6e01a5d68d610b4ba195743def9730e49561e8cf3f%40%3Cdev.mina.apache.org%3E
https://lists.apache.org/thread.html/e47597433b351d6e01a5d68d610b4ba195743def9730e49561e8cf3f%40%3Cdev.mina.apache.org%3E
https://lists.debian.org/debian-lts-announce/2019/03/msg00030.html Mailing List  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2019/03/msg00030.html Mailing List  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W3YVQ2BPTOVDCFDVNC2GGF5P5ISFG37G/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W3YVQ2BPTOVDCFDVNC2GGF5P5ISFG37G/
https://security.gentoo.org/glsa/201903-16 Third Party Advisory 
https://security.gentoo.org/glsa/201903-16 Third Party Advisory 
https://security.netapp.com/advisory/ntap-20190213-0001/ Third Party Advisory 
https://security.netapp.com/advisory/ntap-20190213-0001/ Third Party Advisory 
https://sintonen.fi/advisories/scp-client-multiple-vulnerabilities.txt Third Party Advisory 
https://sintonen.fi/advisories/scp-client-multiple-vulnerabilities.txt Third Party Advisory 
https://usn.ubuntu.com/3885-1/ Third Party Advisory 
https://usn.ubuntu.com/3885-1/ Third Party Advisory 
https://usn.ubuntu.com/3885-2/ Third Party Advisory 
https://usn.ubuntu.com/3885-2/ Third Party Advisory 
https://www.debian.org/security/2019/dsa-4387 Third Party Advisory 
https://www.debian.org/security/2019/dsa-4387 Third Party Advisory 
https://www.exploit-db.com/exploits/46193/ Exploit  Third Party Advisory  VDB Entry 
https://www.exploit-db.com/exploits/46193/ Exploit  Third Party Advisory  VDB Entry 
https://www.freebsd.org/security/advisories/FreeBSD-EN-19:10.scp.asc Third Party Advisory 
https://www.freebsd.org/security/advisories/FreeBSD-EN-19:10.scp.asc Third Party Advisory 
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html Patch  Third Party Advisory 
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html Patch  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
Up to (including)
7.9
 cpe:2.3:a:winscp:winscp:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
Up to (including)
5.1.3

Configuration 2 ( hide )
 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 3 ( hide )
 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 4 ( hide )
 cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 5 ( hide )
 cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 6 ( hide )
 cpe:2.3:a:apache:mina_sshd:2.2.0:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 7 ( hide )
 cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
Up to (excluding)
12.0
 cpe:2.3:o:freebsd:freebsd:12.0:-:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:freebsd:freebsd:12.0:p1:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:freebsd:freebsd:12.0:p2:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:freebsd:freebsd:12.0:p3:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 8 ( hide )
 cpe:2.3:o:fujitsu:m10-1_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
Up to (excluding)
xcp2361
Running on/with
 cpe:2.3:h:fujitsu:m10-1:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 9 ( hide )
 cpe:2.3:o:fujitsu:m10-4_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
Up to (excluding)
xcp2361
Running on/with
 cpe:2.3:h:fujitsu:m10-4:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 10 ( hide )
 cpe:2.3:o:fujitsu:m10-4s_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
Up to (excluding)
xcp2361
Running on/with
 cpe:2.3:h:fujitsu:m10-4s:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 11 ( hide )
 cpe:2.3:o:fujitsu:m12-1_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
Up to (excluding)
xcp2361
Running on/with
 cpe:2.3:h:fujitsu:m12-1:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 12 ( hide )
 cpe:2.3:o:fujitsu:m12-2_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
Up to (excluding)
xcp2361
Running on/with
 cpe:2.3:h:fujitsu:m12-2:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 13 ( hide )
 cpe:2.3:o:fujitsu:m12-2s_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
Up to (excluding)
xcp2361
Running on/with
 cpe:2.3:h:fujitsu:m12-2s:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 14 ( hide )
 cpe:2.3:o:fujitsu:m10-1_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
Up to (excluding)
xcp3070
Running on/with
 cpe:2.3:h:fujitsu:m10-1:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 15 ( hide )
 cpe:2.3:o:fujitsu:m10-4_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
Up to (excluding)
xcp3070
Running on/with
 cpe:2.3:h:fujitsu:m10-4:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 16 ( hide )
 cpe:2.3:o:fujitsu:m10-4s_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
Up to (excluding)
xcp3070
Running on/with
 cpe:2.3:h:fujitsu:m10-4s:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 17 ( hide )
 cpe:2.3:o:fujitsu:m12-1_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
Up to (excluding)
xcp3070
Running on/with
 cpe:2.3:h:fujitsu:m12-1:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 18 ( hide )
 cpe:2.3:o:fujitsu:m12-2_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
Up to (excluding)
xcp3070
Running on/with
 cpe:2.3:h:fujitsu:m12-2:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 19 ( hide )
 cpe:2.3:o:fujitsu:m12-2s_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
Up to (excluding)
xcp3070
Running on/with
 cpe:2.3:h:fujitsu:m12-2s:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 20 ( hide )
 cpe:2.3:o:siemens:scalance_x204rna_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
Up to (excluding)
3.2.7
Running on/with
 cpe:2.3:h:siemens:scalance_x204rna:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 21 ( hide )
 cpe:2.3:o:siemens:scalance_x204rna_eec_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
Up to (excluding)
3.2.7
Running on/with
 cpe:2.3:h:siemens:scalance_x204rna_eec:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

27 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-6111
NVD Published Date:
01/31/2019
NVD Last Modified:
11/20/2024
Source:
MITRE