NULL pointer dereference in Isc Bind
CVE-2017-3135
Under some conditions when using both DNS64 and RPZ to rewrite query responses, query processing can resume in an inconsistent state leading to either an INSIST assertion failure or an attempt to read through a NULL pointer. Affects BIND 9.8.8, 9.9.3-S1 -> 9.9.9-S7, 9.9.3 -> 9.9.9-P5, 9.9.10b1, 9.10.0 -> 9.10.4-P5, 9.10.5b1, 9.11.0 -> 9.11.0-P2, 9.11.1b1.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.171 (97.1th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.172 · newest: 0.171 · change: -0.001
Affected products
- Isc Bind — versions 9.9.3, 9.9.8, 9.9.9
- Isc Bind 9 — versions BIND 9 9.8.8, 9.9.3-S1 -> 9.9.9-S7, 9.9.3 -> 9.9.9-P5, 9.9.10b1, 9.10.0 -> 9.10.4-P5, 9.10.5b1, 9.11.0 -> 9.11.0-P2, 9.11.1b1
- NetApp Data Ontap Edge
- NetApp Element Software Management Node
- Debian Linux — versions 8.0, 9.0
- Red Hat Enterprise Linux Desktop — versions 7.0
- Red Hat Enterprise Linux Server — versions 7.0
- Red Hat Enterprise Linux Server Aus — versions 7.3, 7.4, 7.6
- Red Hat Enterprise Linux Server Eus — versions 7.3, 7.4, 7.5
- Red Hat Enterprise Linux Server Tus — versions 7.3, 7.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security.gentoo.org/glsa/201708-01 (vendor-advisory, Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2017-0276.html (vendor-advisory, Third Party Advisory)
- security.netapp.com/advisory/ntap-20180926-0005/ (Third Party Advisory)
- h20566.www2.hpe.com/hpsc/doc/public/display (Third Party Advisory)
- www.securityfocus.com/bid/96150 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securitytracker.com/id/1037801 (VDB Entry, Third Party Advisory, vdb-entry)
- www.debian.org/security/2017/dsa-3795 (vendor-advisory, Third Party Advisory)
- kb.isc.org/docs/aa-01453 (Vendor Advisory)
Frequently asked questions
- What is CVE-2017-3135?
- CVE-2017-3135 is a high-severity vulnerability in Isc Bind, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2019-01-16.
- How severe is CVE-2017-3135?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-3135 known to be exploited?
- 11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.