CVE-2013-4434

Home/CVE/Dropbear SSH Server before 2013.59 generates error messages for a failed logon attempt with different time delays depend

CVE

Dropbear SSH Server before 2013.59 generates error messages for a failed logon attempt with different time delays depend

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.

MEDIUM · CVSS 5 EPSS 0.01912

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No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules0 YARA rules0

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Affected Products & Versions

dropbear ssh project dropbear ssh< 2013.59

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Scoring & Timeline

MEDIUM · CVSS v2 (legacy) · secalert@redhat.com

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This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Published to NVD25 Oct 2013 · 11:55 PM

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References & Sources

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-updates/2013-10/msg00061.htmlThird Party Advisory

http://lists.opensuse.org/opensuse-updates/2013-11/msg00046.htmlThird Party Advisory

http://secunia.com/advisories/55173Vendor Advisory

http://www.openwall.com/lists/oss-security/2013/10/16/11Mailing ListThird Party Advisory

http://www.securityfocus.com/bid/62993Third Party AdvisoryVDB Entry

https://matt.ucc.asn.au/dropbear/CHANGESVendor Advisory

Show all 8 references

https://secure.ucc.asn.au/hg/dropbear/rev/d7784616409aPatchThird Party Advisory

https://support.citrix.com/article/CTX216642Third Party Advisory

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