The getaddrinfo function in glibc before 2.15, when compiled with libidn and the AI_IDN flag is used, allows context-dependent attackers to cause a denial of service (invalid free) and possibly execute arbitrary code via unspecified vectors, as demonstrated by an internationalized domain name to ping6.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Glibc | Gnu | * | 2.14.1 (including) |
| Red Hat Enterprise Linux 5 | RedHat | glibc-0:2.5-123.el5_11.3 | * |
| Red Hat Enterprise Linux 6 | RedHat | glibc-0:2.12-1.149.el6 | * |
References
- http://rhn.redhat.com/errata/RHSA-2015-1627.html
- http://www.openwall.com/lists/oss-security/2015/01/29/21
- http://www.securityfocus.com/bid/72710
- https://bugzilla.redhat.com/show_bug.cgi?id=1186614
- https://bugzilla.redhat.com/show_bug.cgi?id=981942
- https://sourceware.org/bugzilla/show_bug.cgi?id=18011
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commitdiff%3Bh=2e96f1c7
- http://rhn.redhat.com/errata/RHSA-2015-1627.html
- http://www.openwall.com/lists/oss-security/2015/01/29/21
- http://www.securityfocus.com/bid/72710
- https://bugzilla.redhat.com/show_bug.cgi?id=1186614
- https://bugzilla.redhat.com/show_bug.cgi?id=981942
- https://sourceware.org/bugzilla/show_bug.cgi?id=18011
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commitdiff%3Bh=2e96f1c7