CVE-2013-4421

N/A Unknown

Published: October 25, 2013 Modified: April 29, 2026

Description

The buf_decompress function in packet.c in Dropbear SSH Server before 2013.59 allows remote attackers to cause a denial of service (memory consumption) via a compressed packet that has a large size when it is decompressed.

AI Explanation

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2013-October/119300.html

Source: secalert@redhat.com

Third Party Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2013-October/119323.html

Source: secalert@redhat.com

Third Party Advisory

http://lists.opensuse.org/opensuse-updates/2013-10/msg00061.html

Source: secalert@redhat.com

Third Party Advisory

http://lists.opensuse.org/opensuse-updates/2013-11/msg00046.html

Source: secalert@redhat.com

Third Party Advisory

http://secunia.com/advisories/55173

Source: secalert@redhat.com

Third Party Advisory

http://www.openwall.com/lists/oss-security/2013/10/11/4

Source: secalert@redhat.com

Mailing List Third Party Advisory

http://www.securityfocus.com/bid/62958

Source: secalert@redhat.com

Third Party Advisory VDB Entry

https://matt.ucc.asn.au/dropbear/CHANGES

Source: secalert@redhat.com

Vendor Advisory

https://secure.ucc.asn.au/hg/dropbear/rev/0bf76f54de6f

Source: secalert@redhat.com

Patch Third Party Advisory

https://support.citrix.com/article/CTX216642

Source: secalert@redhat.com

Third Party Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2013-October/119300.html