CVE-2015-1781
medium
CVSS v3
—
CVSS v2
6.8
VIR risk
6.8
Description
Buffer overflow in the gethostbyname_r and other unspecified NSS functions in the GNU C Library (aka glibc or libc6) before 2.22 allows context-dependent attackers to cause a denial of service (crash) or execute arbitrary code via a crafted DNS response, which triggers a call with a misaligned buffer.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-1781
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 2.19-20 |
| debian | bullseye | fixed | 2.19-20 |
| debian | forky | fixed | 2.19-20 |
| debian | sid | fixed | 2.19-20 |
| debian | trixie | fixed | 2.19-20 |
| suse | 11 | affected | |
| debian | 7.0 | affected | |
| ubuntu | 12.04 | affected | |
| ubuntu | 14.04 | affected | |
| ubuntu | 15.04 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| suse | linux_enterprise_debuginfo | 11 | |
| gnu | glibc | {"endIncluding":"2.21"} | |
References
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177404.html
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00019.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html
- http://www.debian.org/security/2016/dsa-3480
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/74255
- http://www.securitytracker.com/id/1032178
- http://www.ubuntu.com/usn/USN-2985-1
- http://www.ubuntu.com/usn/USN-2985-2
- https://rhn.redhat.com/errata/RHSA-2015-0863.html
- https://security.gentoo.org/glsa/201602-02
- https://sourceware.org/bugzilla/show_bug.cgi?id=18287
- https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=2959eda9272a03386
- https://www.sourceware.org/ml/libc-alpha/2015-08/msg00609.html
- https://security-tracker.debian.org/tracker/CVE-2015-1781
CWEs
CWE-119
Verify integrity in audit chain (admin only). AS-IS.