Home/CVE/The xdr_bytes and xdr_string functions in the GNU C Library (aka glibc or libc6) 2.25 mishandle failures of buffer deser
CVE

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 deser

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.

HIGH · CVSS 7.5 EPSS 0.06049
Schedule remediation
  • EPSS percentile: top 9% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-502Deserialization of Untrusted Data
▤

Affected Products & Versions

1
gnu glibcall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD07 May 2017 · 06:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

2
suse-csafSUSE-SU-2018:0565-1
suse-csafSUSE-SU-2018:0451-1
🔗

References & Sources

11
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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/2017/05/05/2Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/98339Broken Link
https://bugzilla.suse.com/show_bug.cgi?id=1037559#c7Issue TrackingPatch
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