CVE-2016-5417
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 3.36% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- gnu/glibc
- Source
- secalert@redhat.com
References
- http://www.openwall.com/lists/oss-security/2016/08/02/5Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/92257Third Party Advisory, VDB Entry
- https://sourceware.org/bugzilla/show_bug.cgi?id=19257Issue Tracking, Patch, Third Party Advisory, VDB Entry
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commitdiff%3Bh=2212c1420c92a33b0e0bd9a34938c9814a56c0f7
- https://www.sourceware.org/ml/libc-alpha/2016-08/msg00212.htmlRelease Notes
- http://www.openwall.com/lists/oss-security/2016/08/02/5Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/92257Third Party Advisory, VDB Entry
- https://sourceware.org/bugzilla/show_bug.cgi?id=19257Issue Tracking, Patch, Third Party Advisory, VDB Entry
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commitdiff%3Bh=2212c1420c92a33b0e0bd9a34938c9814a56c0f7
- https://www.sourceware.org/ml/libc-alpha/2016-08/msg00212.htmlRelease Notes
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.