CVE-2017-8804

high

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. NOTE: [Information provided from upstream and references

References

https://sourceware.org/ml/libc-alpha/2017-05/msg00105.html

https://sourceware.org/legacy-ml/libc-alpha/2017-05/msg00129.html

https://sourceware.org/legacy-ml/libc-alpha/2017-05/msg00128.html

https://sourceware.org/bugzilla/show_bug.cgi?id=21461

https://seclists.org/oss-sec/2017/q2/228

https://bugzilla.suse.com/show_bug.cgi?id=1037559#c7

http://www.openwall.com/lists/oss-security/2017/05/05/2

http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00049.html

http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00039.html

http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00026.html

Details

Source: Mitre, NVD

Published: 2017-05-07

Updated: 2024-04-11

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High