Home/CVE/Format string vulnerability in Dropbear SSH before 2016.74 allows remote attackers to execute arbitrary code via format
CVE

CVE-2016-7406

Format string vulnerability in Dropbear SSH before 2016.74 allows remote attackers to execute arbitrary code via format

Format string vulnerability in Dropbear SSH before 2016.74 allows remote attackers to execute arbitrary code via format string specifiers in the (1) username or (2) host argument.

CRITICAL · CVSS 9.8 EPSS 0.25332
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 4% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

1
dropbear ssh project dropbear ssh<= 2016.73
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.0 · 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 NVD03 Mar 2017 · 04:59 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2016/09/15/2Mailing ListPatchThird Party Advisory
http://www.securityfocus.com/bid/92974Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1376353Issue Tracking
https://secure.ucc.asn.au/hg/dropbear/rev/b66a483f3dcbIssue TrackingPatchThird Party Advisory
https://security.gentoo.org/glsa/201702-23PatchThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2024/Aug/35
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