Vulnerability CVE-2017-8804
Published: 2017-05-07

Description:
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.

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.8/10
6.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
GNU -> Glibc 

 References:
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://sourceware.org/bugzilla/show_bug.cgi?id=21461
https://sourceware.org/ml/libc-alpha/2017-05/msg00105.html
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