VulnerabilityModified

CVE-2017-16227

The aspath_put function in bgpd/bgp_aspath.c in Quagga before 1.2.2 allows remote attackers to cause a denial of service (session drop) via BGP UPDATE messages, because AS_PATH size calculation for long paths counts certain bytes twice and consequently…

HIGH 7.5EPSS 18.8%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 18.8%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

CVSS 3.0: 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 18.79% probability · 97th percentile
CISA KEV: Not listed
Weakness: CWE-20
Affected: quagga/quagga · debian/debian linux
Source: cve@mitre.org

References

http://download.savannah.gnu.org/releases/quagga/quagga-1.2.2.changelog.txtIssue Tracking, Third Party Advisory
http://www.debian.org/security/2017/dsa-4011Issue Tracking, Third Party Advisory
https://bugs.debian.org/879474Issue Tracking, Patch, Third Party Advisory
https://git.savannah.gnu.org/cgit/quagga.git/commit/?id=7a42b78be9a4108d98833069a88e6fddb9285008Issue Tracking, Patch, Third Party Advisory
https://lists.quagga.net/pipermail/quagga-dev/2017-September/033284.htmlIssue Tracking, Patch, Third Party Advisory
http://download.savannah.gnu.org/releases/quagga/quagga-1.2.2.changelog.txtIssue Tracking, Third Party Advisory
http://www.debian.org/security/2017/dsa-4011Issue Tracking, Third Party Advisory
https://bugs.debian.org/879474Issue Tracking, Patch, Third Party Advisory
https://git.savannah.gnu.org/cgit/quagga.git/commit/?id=7a42b78be9a4108d98833069a88e6fddb9285008Issue Tracking, Patch, Third Party Advisory
https://lists.quagga.net/pipermail/quagga-dev/2017-September/033284.htmlIssue Tracking, Patch, Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.