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CVE-2017-8779

Good to know:

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Date: May 4, 2017

rpcbind through 0.2.4, LIBTIRPC through 1.0.1 and 1.0.2-rc through 1.0.2-rc3, and NTIRPC through 1.4.3 do not consider the maximum RPC data size during memory allocation for XDR strings, which allows remote attackers to cause a denial of service (memory consumption with no subsequent free) via a crafted UDP packet to port 111, aka rpcbomb.

Language: C

Severity Score

Related Resources (24)

https://guidovranken.wordpress.com/2017/05/03/rpcbomb-remote-rpcbind-denial-of-service-patches/
https://security.gentoo.org/glsa/201706-07
http://www.securityfocus.com/bid/98325
http://openwall.com/lists/oss-security/2017/05/04/1
https://www.exploit-db.com/exploits/41974/
https://github.com/drbothen/GO-RPCBOMB
https://access.redhat.com/errata/RHSA-2017:1262
https://nvd.nist.gov/vuln/detail/CVE-2017-8779
https://security.netapp.com/advisory/ntap-20180109-0001/
https://access.redhat.com/errata/RHBA-2017:1497
https://access.redhat.com/errata/RHSA-2017:1395
https://access.redhat.com/errata/RHSA-2017:1263
https://access.redhat.com/errata/RHSA-2017:1268
https://access.redhat.com/errata/RHSA-2017:1267
https://security-tracker.debian.org/tracker/CVE-2017-8779
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-8779
https://usn.ubuntu.com/3759-2/
http://www.securitytracker.com/id/1038532
https://usn.ubuntu.com/3759-1/
http://openwall.com/lists/oss-security/2017/05/03/12
https://github.com/guidovranken/rpcbomb/
http://www.debian.org/security/2017/dsa-3845
https://access.redhat.com/security/cve/CVE-2017-8779
https://www.mend.io/vulnerability-database/CVE-2017-8779

Severity Score

Weakness Type (CWE)

Resource Management Errors

CWE-399

Allocation of Resources Without Limits or Throttling

CWE-770

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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