VulnerabilityModified

CVE-2013-4434

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 5.0EPSS 5.75%

Does this matter?

Lower severity and a low EPSS score (5.75%). Track it; it rarely justifies an emergency change on its own.

Description

CVSS 2.0: 5.0 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
EPSS: 5.75% probability · 93th percentile
CISA KEV: Not listed
Weakness: CWE-189
Affected: dropbear ssh project/dropbear ssh
Source: secalert@redhat.com

References

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 List, Third Party Advisory
http://www.securityfocus.com/bid/62993Third Party Advisory, VDB Entry
https://matt.ucc.asn.au/dropbear/CHANGESVendor Advisory
https://secure.ucc.asn.au/hg/dropbear/rev/d7784616409aPatch, Third Party Advisory
https://support.citrix.com/article/CTX216642Third Party Advisory
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 List, Third Party Advisory
http://www.securityfocus.com/bid/62993Third Party Advisory, VDB Entry
https://matt.ucc.asn.au/dropbear/CHANGESVendor Advisory
https://secure.ucc.asn.au/hg/dropbear/rev/d7784616409aPatch, Third Party Advisory
https://support.citrix.com/article/CTX216642Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.