CVE-2017-8804
First published: Sun May 07 2017(Updated: )
** DISPUTED ** The xdr_bytes and xdr_string functions in the GNU C Library (aka glibc or libc6) 2.25 mishandle failures of buffer deserialization, which allows remote attackers to cause a denial of service (virtual memory allocation, or memory consumption if an overcommit setting is not used) via a crafted UDP packet to port 111, a related issue to CVE-2017-8779. NOTE: [Information provided from upstream and references]
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU C Library | =2.25 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00039.html
- http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00049.html
- http://www.openwall.com/lists/oss-security/2017/05/05/2
- http://www.securityfocus.com/bid/98339
- https://bugzilla.suse.com/show_bug.cgi?id=1037559#c7
- https://seclists.org/oss-sec/2017/q2/228
- https://sourceware.org/bugzilla/show_bug.cgi?id=21461
- https://sourceware.org/legacy-ml/libc-alpha/2017-05/msg00128.html
- https://sourceware.org/legacy-ml/libc-alpha/2017-05/msg00129.html
- https://sourceware.org/ml/libc-alpha/2017-05/msg00105.html
Frequently Asked Questions
What is the severity of CVE-2017-8804?
CVE-2017-8804 has a severity rating of medium as it can lead to denial of service due to memory consumption.
How do I fix CVE-2017-8804?
To fix CVE-2017-8804, you should upgrade to a patched version of the GNU C Library beyond 2.25.
What systems are affected by CVE-2017-8804?
CVE-2017-8804 specifically affects the GNU C Library versions 2.25.
Who can exploit CVE-2017-8804?
CVE-2017-8804 can potentially be exploited by remote attackers to cause a denial of service.
What impacts does CVE-2017-8804 have on a system?
The impact of CVE-2017-8804 includes the potential for significant memory consumption and denial of service on affected systems.
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