CVE-2013-4421

Home/CVE/The buf_decompress function in packet.c in Dropbear SSH Server before 2013.59 allows remote attackers to cause a denial

CVE

The buf_decompress function in packet.c in Dropbear SSH Server before 2013.59 allows remote attackers to cause a denial

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.

MEDIUM · CVSS 5 EPSS 0.25913

Schedule remediation

EPSS ≥ 0.10 - elevated exploitation probability
EPSS percentile: top 4% of all CVEs by exploitation likelihood

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

View on NVD

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:N/I:N/A:P

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.fedoraproject.org/pipermail/package-announce/2013-October/119300.htmlThird Party Advisory

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

Show all 10 references

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

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