Home/CVE/In OpenSSH 7.9, due to accepting and displaying arbitrary stderr output from the server, a malicious server (or Man-in-T
CVE

CVE-2019-6110

In OpenSSH 7.9, due to accepting and displaying arbitrary stderr output from the server, a malicious server (or Man-in-T

In OpenSSH 7.9, due to accepting and displaying arbitrary stderr output from the server, a malicious server (or Man-in-The-Middle attacker) can manipulate the client output, for example to use ANSI control codes to hide additional files being transferred.

MEDIUM · CVSS 6.8 EPSS 0.57569
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 2% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
Sigma rules2 YARA rules0
⬡

Weakness Classification

CWE-838Inappropriate Encoding for Output Context
CWE-838Inappropriate Encoding for Output Context
▤

Affected Products & Versions

7
openbsd openssh<= 7.9
winscp<= 5.13
netapp element softwareall versions
netapp ontap select deployall versions
netapp storage automation storeall versions
siemens scalance x204rna firmware< 3.2.7
siemens scalance x204rna eec firmware< 3.2.7
⚠

Public Exploits & PoCs

3
remoteSCP Client - Multiple Vulnerabilities (SSHtranger Things)2019-01-18
remoteOpenSSH SCP Client - Write Arbitrary Files2019-01-11
pocwww.exploit-db.com · 46193www.exploit-db.com
◈

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
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

11
suse-csafopenSUSE-SU-2024:11124-1
siemens-csafSSA-398330
siemens-csafSSA-412672
suse-csafSUSE-SU-2019:0125-2
suse-csafopenSUSE-SU-2019:0091-1
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdfPatchThird Party Advisory
https://cvsweb.openbsd.org/src/usr.bin/ssh/progressmeter.cRelease Notes
https://cvsweb.openbsd.org/src/usr.bin/ssh/scp.cRelease Notes
https://security.gentoo.org/glsa/201903-16Third Party Advisory
https://security.netapp.com/advisory/ntap-20190213-0001/Third Party Advisory
https://sintonen.fi/advisories/scp-client-multiple-vulnerabilities.txtThird Party Advisory
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