CVE-2013-4434 — SSH Project Dropbear SSH vulnerability

CWE-1895 documents5 sources
Severity
5.0MEDIUMNVD
EPSS
1.9%
top 16.67%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Dropbear SSH Project Dropbear SSHDebian Dropbear
Timeline
PublishedOct 25
Latest updateMay 14

Description

Dropbear SSH Server before 2013.59 generates error messages for a failed logon attempt with different time delays depending on whether the user account exists, which allows remote attackers to discover valid usernames.

CVSS vector

AV:N/AC:L/C:P/I:N/A:NExploitability: 10.0 | Impact: 2.9

Affected Packages3 packages

▶debiandebian/dropbear< dropbear 2012.55-1.4 (bookworm)
▶Debiandropbear_ssh_project/dropbear_ssh< 2012.55-1.4+3

Patches

Patch: secure.ucc.asn.au ↗Patch: secure.ucc.asn.au ↗

🔴Vulnerability Details

2
GHSA
GHSA-7j5m-wjm2-xppv: Dropbear SSH Server before 2013↗2022-05-14
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OSV
CVE-2013-4434: Dropbear SSH Server before 2013↗2013-10-25
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📋Vendor Advisories

1
Debian
CVE-2013-4434: dropbear - Dropbear SSH Server before 2013.59 generates error messages for a failed logon a...↗2013
▶

💬Community

1
Bugzilla
CVE-2013-4434 dropbear: user disclosure via authentication failure delays↗2013-10-10
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