Memory leak in the __res_vinit function in the IPv6 name server management code in libresolv in GNU C Library (aka glibc or libc6) before 2.24 allows remote attackers to cause a denial of service (memory consumption) by leveraging partial initialization of internal resolver data structures.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Glibc | Gnu | * | 2.23 (including) |
| Glibc | Ubuntu | esm-infra/xenial | * |
| Glibc | Ubuntu | xenial | * |
References
- http://www.openwall.com/lists/oss-security/2016/08/02/5
- http://www.securityfocus.com/bid/92257
- https://sourceware.org/bugzilla/show_bug.cgi?id=19257
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commitdiff%3Bh=2212c1420c92a33b0e0bd9a34938c9814a56c0f7
- https://www.sourceware.org/ml/libc-alpha/2016-08/msg00212.html
- http://www.openwall.com/lists/oss-security/2016/08/02/5
- http://www.securityfocus.com/bid/92257
- https://sourceware.org/bugzilla/show_bug.cgi?id=19257
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commitdiff%3Bh=2212c1420c92a33b0e0bd9a34938c9814a56c0f7
- https://www.sourceware.org/ml/libc-alpha/2016-08/msg00212.html