vulnwire
7.5high

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 a…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
7.7%
percentile 95%
Public exploits
0
none known

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

Exploit prediction (EPSS)

7.67% probability of exploitation in the next 30 days, higher than 95% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.07.8AV:N/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-502 Deserialization of Untrusted Data

References

  • bugzilla.suse.com /show_bug.cgi?id=1037559#c7 · x_refsource_CONFIRM, x_transferred
  • sourceware.org /ml/libc-alpha/2017-05/msg00105.html · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/98339 · vdb-entry, x_refsource_BID, x_transferred
  • sourceware.org /bugzilla/show_bug.cgi?id=21461 · x_refsource_CONFIRM, x_transferred
  • openwall.com /lists/oss-security/2017/05/05/2 · x_refsource_CONFIRM, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2018-02/msg00049.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2018-02/msg00039.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2018-02/msg00026.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • sourceware.org /legacy-ml/libc-alpha/2017-05/msg00128.html · x_refsource_MISC, x_transferred
  • sourceware.org /legacy-ml/libc-alpha/2017-05/msg00129.html · x_refsource_MISC, x_transferred
  • seclists.org /oss-sec/2017/q2/228 · x_refsource_MISC, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.