Description
The nss_dns implementation of getnetbyname in GNU C Library (aka glibc) before 2.21, when the DNS backend in the Name Service Switch configuration is enabled, allows remote attackers to cause a denial of service (infinite loop) by sending a positive answer while a network name is being process.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html ↗
- https://sourceware.org/bugzilla/show_bug.cgi?id=17630 ↗
- http://lists.opensuse.org/opensuse-updates/2015-02/msg00089.html ↗
- https://security.gentoo.org/glsa/201602-02 ↗
- http://www.openwall.com/lists/oss-security/2014/12/18/1 ↗
- http://www.ubuntu.com/usn/USN-2519-1 ↗
- http://www.securityfocus.com/bid/71670 ↗
- https://access.redhat.com/errata/RHSA-2018:0805 ↗
- http://seclists.org/fulldisclosure/2019/Jun/18 ↗
- https://seclists.org/bugtraq/2019/Jun/14 ↗
- http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.html ↗
- http://seclists.org/fulldisclosure/2019/Sep/7 ↗
- https://seclists.org/bugtraq/2019/Sep/7 ↗
- http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html ↗