CVE-2015-5477
CVE-2015-5477 is a high-severity vulnerability in Isc Bind with a CVSS 2.0 base score of 7.8. Its EPSS exploit-prediction score of 91% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-19.
Key facts
- Severity: High (CVSS 2.0 base score 7.8)
- EPSS exploit prediction: 91% (100th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-19
- Affected product: Isc Bind
- Published:
- Last modified:
Description
named in ISC BIND 9.x before 9.9.7-P2 and 9.10.x before 9.10.2-P3 allows remote attackers to cause a denial of service (REQUIRE assertion failure and daemon exit) via TKEY queries.
Frequently asked questions
- What is CVE-2015-5477?
- named in ISC BIND 9.x before 9.9.7-P2 and 9.10.x before 9.10.2-P3 allows remote attackers to cause a denial of service (REQUIRE assertion failure and daemon exit) via TKEY queries.
- How severe is CVE-2015-5477?
- CVE-2015-5477 has a CVSS 2.0 base score of 7.8, rated high severity.
- Is CVE-2015-5477 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 91% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2015-5477?
- CVE-2015-5477 primarily affects Isc Bind. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2015-5477?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2015-5477 published?
- CVE-2015-5477 was published on 2015-07-29 and last updated on 2026-06-17.
References
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10718
- http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163006.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163007.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163015.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00043.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00044.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00045.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00048.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00050.html
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00033.html
- http://marc.info/?l=bugtraq&m=144000632319155&w=2
- http://marc.info/?l=bugtraq&m=144017354030745&w=2
- http://marc.info/?l=bugtraq&m=144181171013996&w=2
- http://marc.info/?l=bugtraq&m=144294073801304&w=2
- http://packetstormsecurity.com/files/132926/BIND-TKEY-Query-Denial-Of-Service.html
- http://rhn.redhat.com/errata/RHSA-2015-1513.html
- http://rhn.redhat.com/errata/RHSA-2015-1514.html
- http://rhn.redhat.com/errata/RHSA-2015-1515.html
- http://rhn.redhat.com/errata/RHSA-2016-0078.html
- http://rhn.redhat.com/errata/RHSA-2016-0079.html
- http://www.debian.org/security/2015/dsa-3319
- http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.securityfocus.com/bid/76092
- http://www.securitytracker.com/id/1033100
- http://www.ubuntu.com/usn/USN-2693-1
- https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04789415
- https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04952480
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05095918
Affected products (2)
- cpe:2.3:a:isc:bind:*:p1:*:*:*:*:*:*
- cpe:2.3:a:isc:bind:*:p2:*:*:*:*:*:*
More vulnerabilities in Isc Bind
- CVE-2008-0122 — Critical (CVSS 10.0): Off-by-one error in the inet_network function in libbind in ISC BIND 9.4.2 and earlier, as used in libc in FreeBSD 6.2…
- CVE-2001-0013 — Critical (CVSS 10.0): Format string vulnerability in nslookupComplain function in BIND 4 allows remote attackers to gain root privileges.
- CVE-2001-0010 — Critical (CVSS 10.0): Buffer overflow in transaction signature (TSIG) handling code in BIND 8 allows remote attackers to gain root privileges.
- CVE-2001-0011 — Critical (CVSS 10.0): Buffer overflow in nslookupComplain function in BIND 4 allows remote attackers to gain root privileges.
- CVE-2000-1029 — Critical (CVSS 10.0): Buffer overflow in host command allows a remote attacker to execute arbitrary commands via a long response to an AXFR…
- CVE-1999-0837 — Critical (CVSS 10.0): Denial of service in BIND by improperly closing TCP sessions via so_linger.
Other CWE-19 vulnerabilities
- CVE-2015-2373 — Critical (CVSS 10.0): The Remote Desktop Protocol (RDP) server service in Microsoft Windows 7 SP1, Windows 8, and Windows Server 2012 allows…
- CVE-2014-8822 — Critical (CVSS 10.0): IOHIDFamily in Apple OS X before 10.10.2 allows attackers to execute arbitrary code in a kernel context or cause a…
- CVE-2014-8817 — Critical (CVSS 10.0): coresymbolicationd in CoreSymbolication in Apple OS X before 10.10.2 does not verify that expected data types are…
- CVE-2014-4488 — Critical (CVSS 10.0): IOHIDFamily in Apple iOS before 8.1.3, Apple OS X before 10.10.2, and Apple TV before 7.0.3 does not properly validate…
- CVE-2014-7247 — Critical (CVSS 10.0): Unspecified vulnerability in JustSystems Ichitaro 2008 through 2011; Ichitaro Government 6, 7, 2008, 2009, and 2010;…
- CVE-1999-0226 — Critical (CVSS 10.0): Windows NT TCP/IP processes fragmented IP packets improperly, causing a denial of service.