Buffer overflow in GNU Glibc
CVE-2016-3075
Stack-based buffer overflow in the nss_dns implementation of the getnetbyname function in GNU C Library (aka glibc) before 2.24 allows context-dependent attackers to cause a denial of service (stack consumption and application crash) via a long name.
Vulnerability class: Buffer Overflow
EPSS: 0.076 (93.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Gnu Glibc
- Canonical Ubuntu_linux — versions 12.04, 14.04, 15.10
- Fedoraproject Fedora — versions 23
- Opensuse — versions 13.2
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (vendor-advisory, x_refsource_FEDORA)
- secalert@redhat.com (vendor-advisory, x_refsource_SUSE)
- secalert@redhat.com (vdb-entry, x_refsource_BID)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (vendor-advisory, x_refsource_GENTOO)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (vendor-advisory, x_refsource_SUSE)
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory)
- secalert@redhat.com (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2016-3075?
- CVE-2016-3075 is a high-severity vulnerability in GNU Glibc, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2016-06-01.
- How severe is CVE-2016-3075?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-3075 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.