cbcvebase.
CVE-2017-12132
published 2017-08-01

CVE-2017-12132: The DNS stub resolver in the GNU C Library (aka glibc or libc6) before version 2.26, when EDNS support is enabled, will solicit large UDP responses from name…

medium5.9CVSS 3.0
AVNACHPRNUINSUCNIHAN
The DNS stub resolver in the GNU C Library (aka glibc or libc6) before version 2.26, when EDNS support is enabled, will solicit large UDP responses from name servers, potentially simplifying off-path DNS spoofing attacks due to IP fragmentation.

Affected

7 ranges
VendorProductVersion rangeFixed in
debianglibc< glibc 2.25-1 (bookworm)glibc 2.25-1 (bookworm)
gnuglibc<= 2.25
gnuglibc>= 0 < 2.25-12.25-1
gnuglibc>= 0 < 2.25-12.25-1
gnuglibc>= 0 < 2.25-12.25-1
gnuglibc>= 0 < 2.25-12.25-1
gnuglibc>= 0 < 2.23-0ubuntu11.3+esm32.23-0ubuntu11.3+esm3

CVSS provenance

nvdv3.05.9MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
osv5.9MEDIUM