vulnwire
9.1crit

CVE-2017-6519

avahi-daemon in Avahi through 0.6.32 and 0.7 inadvertently responds to IPv6 unicast queries with source addresses that are not on-link, whi…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
9.1
v3.1 · CNA
CISA KEV
No
not known exploited
EPSS
3.2%
percentile 88%
Public exploits
0
none known

avahi-daemon in Avahi through 0.6.32 and 0.7 inadvertently responds to IPv6 unicast queries with source addresses that are not on-link, which allows remote attackers to cause a denial of service (traffic amplification) and may cause information leakage by obtaining potentially sensitive information from the responding device via port-5353 UDP packets. NOTE: this may overlap CVE-2015-2809.

CISA SSVC assessment

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
11 mo ago

Exploit prediction (EPSS)

3.24% probability of exploitation in the next 30 days, higher than 88% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CISA ADP3.19.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CNA3.19.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
NVD3.09.1CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
NVD2.06.4AV:N/AC:L/Au:N/C:P/I:N/A:P

Classification

Weakness

References

  • github.com /lathiat/avahi/issues/203#issuecomment-449536790 · x_refsource_MISC, x_transferred
  • usn.ubuntu.com /3876-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • github.com /lathiat/avahi/issues/203 · x_refsource_MISC, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1426712 · x_refsource_MISC, x_transferred
  • usn.ubuntu.com /3876-2/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • secfu.net /advisories · x_refsource_MISC, x_transferred
  • lists.apache.org /thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkee · mailing-list, x_refsource_MLIST, x_transferred

Sources

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