Vulnerability Monitor

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CVE-2017-8804

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

Published

2017-05-07T18:29:00.157

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

6.9

Weaknesses

Type: Primary
CWE-502

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	gnu	glibc	2.25	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00026.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00039.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00049.html ([email protected])
http://www.openwall.com/lists/oss-security/2017/05/05/2 Mailing List, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/98339 Broken Link ([email protected])
https://bugzilla.suse.com/show_bug.cgi?id=1037559#c7 Issue Tracking, Patch ([email protected])
https://seclists.org/oss-sec/2017/q2/228 ([email protected])
https://sourceware.org/bugzilla/show_bug.cgi?id=21461 Issue Tracking, Patch ([email protected])
https://sourceware.org/legacy-ml/libc-alpha/2017-05/msg00128.html ([email protected])
https://sourceware.org/legacy-ml/libc-alpha/2017-05/msg00129.html ([email protected])
https://sourceware.org/ml/libc-alpha/2017-05/msg00105.html Issue Tracking, Patch ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00026.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00039.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00049.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2017/05/05/2 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/98339 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.suse.com/show_bug.cgi?id=1037559#c7 Issue Tracking, Patch (af854a3a-2127-422b-91ae-364da2661108)
https://seclists.org/oss-sec/2017/q2/228 (af854a3a-2127-422b-91ae-364da2661108)
https://sourceware.org/bugzilla/show_bug.cgi?id=21461 Issue Tracking, Patch (af854a3a-2127-422b-91ae-364da2661108)
https://sourceware.org/legacy-ml/libc-alpha/2017-05/msg00128.html (af854a3a-2127-422b-91ae-364da2661108)
https://sourceware.org/legacy-ml/libc-alpha/2017-05/msg00129.html (af854a3a-2127-422b-91ae-364da2661108)
https://sourceware.org/ml/libc-alpha/2017-05/msg00105.html Issue Tracking, Patch (af854a3a-2127-422b-91ae-364da2661108)