vulnwire
7.5high

CVE-2018-5740in critical feed

A flaw in the "deny-answer-aliases" feature can cause an assertion failure in named

Published 7 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · CNA
CISA KEV
No
not known exploited
EPSS
60.2%
percentile 99%
Public exploits
0
none known

"deny-answer-aliases" is a little-used feature intended to help recursive server operators protect end users against DNS rebinding attacks, a potential method of circumventing the security model used by client browsers. However, a defect in this feature makes it easy, when the feature is in use, to experience an assertion failure in name.c. Affects BIND 9.7.0->9.8.8, 9.9.0->9.9.13, 9.10.0->9.10.8, 9.11.0->9.11.4, 9.12.0->9.12.2, 9.13.0->9.13.2.

Exploit prediction (EPSS)

60.24% probability of exploitation in the next 30 days, higher than 99% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CNA3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD3.17.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • ISC BIND 9

Classification

Weakness

References

  • securityfocus.com /bid/105055 · vdb-entry, x_refsource_BID, x_transferred
  • lists.debian.org /debian-lts-announce/2018/08/msg00033.html · mailing-list, x_refsource_MLIST, x_transferred
  • access.redhat.com /errata/RHSA-2018:2570 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • access.redhat.com /errata/RHSA-2018:2571 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • usn.ubuntu.com /3769-2/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • securitytracker.com /id/1041436 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • security.netapp.com /advisory/ntap-20180926-0003/ · x_refsource_CONFIRM, x_transferred
  • kb.isc.org /docs/aa-01639 · x_refsource_CONFIRM, x_transferred
  • usn.ubuntu.com /3769-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • security.gentoo.org /glsa/201903-13 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2019-06/msg00027.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2019-06/msg00026.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • support.hpe.com /hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03927en_us · x_refsource_CONFIRM, x_transferred
  • lists.debian.org /debian-lts-announce/2021/11/msg00001.html · mailing-list, x_refsource_MLIST, x_transferred

Sources

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