Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Dropbear Ssh Project | Dropbear Ssh | < 2013.59 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2013-October/119300.htThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2013-October/119323.htThird 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/55173Third Party Advisory
- http://www.openwall.com/lists/oss-security/2013/10/11/4Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/62958Third Party AdvisoryVDB Entry
- https://matt.ucc.asn.au/dropbear/CHANGESVendor Advisory
- https://secure.ucc.asn.au/hg/dropbear/rev/0bf76f54de6fPatchThird Party Advisory
- https://support.citrix.com/article/CTX216642Third Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2013-October/119300.htThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2013-October/119323.htThird 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/55173Third Party Advisory
FAQ
What is CVE-2013-4421?
CVE-2013-4421 is a vulnerability with a CVSS score of 5.0 (MEDIUM). 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 wh...
How severe is CVE-2013-4421?
CVE-2013-4421 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2013-4421?
Check the references section above for vendor advisories and patch information. Affected products include: Dropbear Ssh Project Dropbear Ssh.