A buffer boundary check assertion in rdataset.c can fail incorrectly during zone transfer
Published Jun 17, 2020
4.9
MEDIUMCVSS 3.1
EPSS 1.85%
Description
An attacker who is permitted to send zone data to a server via zone transfer can exploit this to intentionally trigger the assertion failure with a specially constructed zone, denying service to clients.
Affected products
-
- Version 9.16.0 -> 9.16.3StatusaffectedConstraints-
- Version
Configuration 3
- n/a
Configuration 4
- 20.04
No data.
Red Hat Enterprise Linux 5
bind
Not affected
Red Hat Enterprise Linux 5
bind97
Not affected
Red Hat Enterprise Linux 6
bind
Not affected
Red Hat Enterprise Linux 7
bind
Not affected
Red Hat Enterprise Linux 8
bind
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | bind | Not affected | n/a |
| Red Hat Enterprise Linux 5 | bind97 | Not affected | n/a |
| Red Hat Enterprise Linux 6 | bind | Not affected | n/a |
| Red Hat Enterprise Linux 7 | bind | Not affected | n/a |
| Red Hat Enterprise Linux 8 | bind | Not affected | n/a |
No package ranges for this CVE.
Remediation
Vendor solution
Upgrade to the patched release most closely related to your current version of BIND:
BIND 9.16.4
Red Hat statement
This flaw only affects bind-9.16.x, therefore versions of BIND shipped with Red Hat Products are not affected by this flaw.
References (10)
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2020-8618 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1847242 Issue Tracking
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-29466 Advisory
- https://kb.isc.org/docs/cve-2020-8618 x_refsource_CONFIRMVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2020-8618
- https://security.netapp.com/advisory/ntap-20200625-0003/ x_refsource_CONFIRMThird Party Advisory
- https://usn.ubuntu.com/4399-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2020-8618
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html | vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory | |
| http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html | vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2020-8618 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1847242 | Issue Tracking | |
| https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-29466 | Advisory | |
| https://kb.isc.org/docs/cve-2020-8618 | x_refsource_CONFIRMVendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2020-8618 | ||
| https://security.netapp.com/advisory/ntap-20200625-0003/ | x_refsource_CONFIRMThird Party Advisory | |
| https://usn.ubuntu.com/4399-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2020-8618 |
Change history (0)
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