Improper input validation in HP Hp-Ux
CVE-2016-2775
ISC BIND 9.x before 9.9.9-P2, 9.10.x before 9.10.4-P2, and 9.11.x before 9.11.0b2, when lwresd or the named lwres option is enabled, allows remote attackers to cause a denial of service (daemon crash) via a long request that uses the lightweight resolver protocol.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.633 (99.2th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.633 · newest: 0.633 · change: 0.000
Affected products
- HP Hp-Ux — versions b.11.31
- Isc Bind — versions 9.9.9, 9.10.4, 9.11.0
- Fedoraproject Fedora — versions 23, 24
- Red Hat Enterprise Linux Desktop — versions 6.0, 7.0
- Red Hat Enterprise Linux Eus — versions 7.2, 7.3, 7.4
- Red Hat Enterprise Linux Server — versions 6.0, 7.0
- Red Hat Enterprise Linux Server Aus — versions 7.2, 7.3, 7.6
- Red Hat Enterprise Linux Server Tus — versions 7.2, 7.3, 7.6
- Red Hat Enterprise Linux Workstation — versions 6.0, 7.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- kb.isc.org/article/AA-01438 (Broken Link)
- access.redhat.com/errata/RHBA-2017:1767 (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- www.securityfocus.com/bid/92037 (VDB Entry, Third Party Advisory, vdb-entry)
- security.gentoo.org/glsa/201610-07 (vendor-advisory, Third Party Advisory)
- kb.isc.org/article/AA-01435 (Broken Link)
- access.redhat.com/errata/RHBA-2017:0651 (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- kb.isc.org/article/AA-01393/74/CVE-2016-2775 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2016-2775?
- CVE-2016-2775 is a medium-severity vulnerability in HP Hp-Ux, classified under Improper Input Validation. CVSS score: 5.9/10. Published 2016-07-19.
- How severe is CVE-2016-2775?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2016-2775 known to be exploited?
- 14 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.