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CVE-2013-4434

Status Candidate

Overview

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.

Related Files

Mandriva Linux Security Advisory 2013-261
Posted Oct 28, 2013
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2013-261 - Possible memory exhaustion denial of service due to the size of decompressed payloads in dropbear before 2013.59. Inconsistent delays in authorization failures could be used to disclose the existence of valid user accounts in dropbear before 2013.59.

tags | advisory, denial of service
systems | linux, mandriva
advisories | CVE-2013-4421, CVE-2013-4434
SHA-256 | aba56fe4695484e1274e59199138625389fdcdffdb016feda736408ca221f0e3
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