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CVE-2015-7547

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Date: February 18, 2016

Multiple stack-based buffer overflows in the (1) send_dg and (2) send_vc functions in the libresolv library in the GNU C Library (aka glibc or libc6) before 2.23 allow remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted DNS response that triggers a call to the getaddrinfo function with the AF_UNSPEC or AF_INET6 address family, related to performing "dual A/AAAA DNS queries" and the libnss_dns.so.2 NSS module.

Language: C

Severity Score

8.1

Related Resources (78)

Url: http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177412.html

Url: http://www.vmware.com/security/advisories/VMSA-2016-0002.html

Url: http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177404.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html

Url: http://support.citrix.com/article/CTX206991

Url: http://rhn.redhat.com/errata/RHSA-2016-0277.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00044.html

Url: https://www.exploit-db.com/exploits/39454/

Url: http://marc.info/?l=bugtraq&m=145672440608228&w=2

Url: https://blogs.sophos.com/2016/02/29/utm-up2date-9-319-released/

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05212266

Url: http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html

Url: https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40161

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05073516

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00037.html

Url: https://security.netapp.com/advisory/ntap-20160217-0002/

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05130958

Url: http://rhn.redhat.com/errata/RHSA-2016-0176.html

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05176716

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04989404

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00043.html

Url: http://seclists.org/fulldisclosure/2021/Sep/0

Url: http://marc.info/?l=bugtraq&m=145690841819314&w=2

Url: https://support.f5.com/kb/en-us/solutions/public/k/47/sol47098834.html

Url: https://ics-cert.us-cert.gov/advisories/ICSA-16-103-01

Url: http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05376917

Url: https://www.exploit-db.com/exploits/40339/

Url: http://www.fortiguard.com/advisory/glibc-getaddrinfo-stack-overflow

Url: https://www.kb.cert.org/vuls/id/457759

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722

Url: http://ubuntu.com/usn/usn-2900-1

Url: https://access.redhat.com/articles/2161461

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00038.html

Url: http://seclists.org/fulldisclosure/2022/Jun/36

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00039.html

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05008367

Url: http://seclists.org/fulldisclosure/2019/Sep/7

Url: http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05053211

Url: https://kc.mcafee.com/corporate/index?page=content&id=SB10150

Url: https://sourceware.org/ml/libc-alpha/2016-02/msg00416.html

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05128937

Url: https://help.ecostruxureit.com/display/public/UADCO8x/StruxureWare+Data+Center+Operation+Software+Vulnerability+Fixes

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00042.html

Url: http://fortiguard.com/advisory/glibc-getaddrinfo-stack-overflow

Url: http://packetstormsecurity.com/files/164014/Moxa-Command-Injection-Cross-Site-Scripting-Vulnerable-Software.html

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05098877

Url: http://www.debian.org/security/2016/dsa-3481

Url: http://packetstormsecurity.com/files/135802/glibc-getaddrinfo-Stack-Based-Buffer-Overflow.html

Url: https://h20566.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-c05028479

Url: http://www.debian.org/security/2016/dsa-3480

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05125672

Url: https://bugzilla.redhat.com/show_bug.cgi?id=1293532

Url: http://www.securitytracker.com/id/1035020

Url: https://bto.bluecoat.com/security-advisory/sa114

Url: https://support.lenovo.com/us/en/product_security/len_5450

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380

Url: https://access.redhat.com/security/cve/CVE-2015-7547

Url: http://marc.info/?l=bugtraq&m=146161017210491&w=2

Url: http://rhn.redhat.com/errata/RHSA-2016-0225.html

Url: http://marc.info/?l=bugtraq&m=145596041017029&w=2

Url: http://marc.info/?l=bugtraq&m=145857691004892&w=2

Url: http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160304-01-glibc-en

Url: https://www.arista.com/en/support/advisories-notices/security-advisories/1255-security-advisory-17

Url: https://seclists.org/bugtraq/2019/Sep/7

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05140858

Url: http://rhn.redhat.com/errata/RHSA-2016-0175.html

Url: http://packetstormsecurity.com/files/167552/Nexans-FTTO-GigaSwitch-Outdated-Components-Hardcoded-Backdoor.html

Url: https://security.gentoo.org/glsa/201602-02

Url: https://nvd.nist.gov/vuln/detail/CVE-2015-7547

Url: https://blogs.sophos.com/2016/02/24/utm-up2date-9-355-released/

Url: https://www.tenable.com/security/research/tra-2017-08

Url: https://sourceware.org/bugzilla/show_bug.cgi?id=18665

Url: http://www.securityfocus.com/bid/83265

Url: http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html

Url: https://googleonlinesecurity.blogspot.com/2016/02/cve-2015-7547-glibc-getaddrinfo-stack.html

Url: https://www.mend.io/vulnerability-database/CVE-2015-7547

Severity Score

8.1

Weakness Type (CWE)

Buffer Errors

CWE-119

Top Fix

Upgrade Version

Upgrade to version 2.23

CVSS v3.1

Base Score:	8.1
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	HIGH
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	6.8
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
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