5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
0.003 Low
EPSS
Percentile
71.8%
The send_dg function in resolv/res_send.c in GNU C Library (aka glibc or libc6) before 2.20 does not properly reuse file descriptors, which allows remote attackers to send DNS queries to unintended locations via a large number of requests that trigger a call to the getaddrinfo function.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | glibc | < 2.19-1 | glibc_2.19-1_all.deb |
Debian | 11 | all | glibc | < 2.19-1 | glibc_2.19-1_all.deb |
Debian | 999 | all | glibc | < 2.19-1 | glibc_2.19-1_all.deb |
Debian | 13 | all | glibc | < 2.19-1 | glibc_2.19-1_all.deb |