Home/CVE/An issue was discovered in OpenSSH 7.9. Due to missing character encoding in the progress display, a malicious server (o
CVE

CVE-2019-6109

An issue was discovered in OpenSSH 7.9. Due to missing character encoding in the progress display, a malicious server (o

An issue was discovered in OpenSSH 7.9. Due to missing character encoding in the progress display, a malicious server (or Man-in-The-Middle attacker) can employ crafted object names to manipulate the client output, e.g., by using ANSI control codes to hide additional files being transferred. This affects refresh_progress_meter() in progressmeter.c.

MEDIUM · CVSS 6.8 EPSS 0.09738
Monitor
  • EPSS percentile: top 7% of all CVEs by exploitation likelihood
Sigma rules2 YARA rules0
⬡

Weakness Classification

CWE-116Improper Encoding or Escaping of Output
▤

Affected Products & Versions

26
openbsd openssh<= 7.9
winscp<= 5.13
canonical ubuntu linuxall versions
debian linuxall versions
netapp element softwareall versions
netapp ontap select deployall versions
netapp storage automation storeall versions
fedoraproject fedoraall versions
◈

Sigma Hunt Rules

2
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumSuspicious OpenSSH Daemon Error
productmediumOpenSSH Server Listening On Socket
▣

Scoring & Timeline

6.8
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD31 Jan 2019 · 06:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
⚑

Vendor Advisories

19
suse-csafopenSUSE-SU-2024:11124-1
siemens-csafSSA-398330
siemens-csafSSA-412672
suse-csafSUSE-SU-2019:1524-1
suse-csafSUSE-SU-2019:0125-2
🔗

References & Sources

12
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00058.htmlBroken Link
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdfPatchThird Party Advisory
https://cvsweb.openbsd.org/src/usr.bin/ssh/progressmeter.cRelease NotesVendor Advisory
https://cvsweb.openbsd.org/src/usr.bin/ssh/scp.cRelease NotesVendor Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00030.htmlMailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W3YVQ2BPTOVDCFDVNC2GGF5P5ISFG37G/
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