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).
References
Link Providers
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00058.html cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2019/04/18/1 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2022/08/02/1 cve-icon cve-icon
http://www.securityfocus.com/bid/106741 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:3702 cve-icon cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=1677794 cve-icon cve-icon
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf cve-icon cve-icon
https://cvsweb.openbsd.org/src/usr.bin/ssh/scp.c cve-icon cve-icon
https://lists.apache.org/thread.html/c45d9bc90700354b58fb7455962873c44229841880dcb64842fa7d23%40%3Cdev.mina.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/c7301cab36a86825359e1b725fc40304d1df56dc6d107c1fe885148b%40%3Cdev.mina.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/d540139359de999b0f1c87d05b715be4d7d4bec771e1ae55153c5c7a%40%3Cdev.mina.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/e47597433b351d6e01a5d68d610b4ba195743def9730e49561e8cf3f%40%3Cdev.mina.apache.org%3E cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2019/03/msg00030.html cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W3YVQ2BPTOVDCFDVNC2GGF5P5ISFG37G/ cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2019-6111 cve-icon
https://security.gentoo.org/glsa/201903-16 cve-icon cve-icon
https://security.netapp.com/advisory/ntap-20190213-0001/ cve-icon cve-icon
https://sintonen.fi/advisories/scp-client-multiple-vulnerabilities.txt cve-icon cve-icon cve-icon
https://usn.ubuntu.com/3885-1/ cve-icon cve-icon
https://usn.ubuntu.com/3885-2/ cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2019-6111 cve-icon
https://www.debian.org/security/2019/dsa-4387 cve-icon cve-icon
https://www.exploit-db.com/exploits/46193/ cve-icon cve-icon
https://www.freebsd.org/security/advisories/FreeBSD-EN-19:10.scp.asc cve-icon cve-icon
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html cve-icon cve-icon
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2019-01-31T00:00:00

Updated: 2024-08-04T20:16:23.623Z

Reserved: 2019-01-10T00:00:00

Link: CVE-2019-6111

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-01-31T18:29:00.867

Modified: 2023-11-07T03:13:05.610

Link: CVE-2019-6111

cve-icon Redhat

Severity : Moderate

Publid Date: 2018-11-16T00:00:00Z

Links: CVE-2019-6111 - Bugzilla