7.5

CVE-2017-16227: debian debian_linux Improper Input Validation

CVSS: 7.5v3.0HighModified
AliasesALPINE-CVE-2017-16227MGASA-2017-0416UBUNTU-CVE-2017-16227
Published 29-10-2017Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-16227 is a high (CVSS 7.5) Improper Input Validation vulnerability in debian debian_linux. EPSS estimates a 18.79% chance of exploitation in the next 30 days, higher than 97.2% of scored vulnerabilities.

Overall risk
34/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
18.79%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5 · Duplicates 1 · Related 5
OPENSUSE-SU-2024:11290-1SUSE-SU-2018:0455-1SUSE-SU-2018:0456-1SUSE-SU-2018:0457-1USN-3471-1CVE-2017-1000435

Timeline

  1. 29-10-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

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 constructs an invalid message.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

18.79%

Chance of exploitation in the next 30 days

Percentile

97%

Versus all other CVEs

30-day change

0.00 pp

From 18.79% on 18-09-2026

18-09-202618-10-2026
EPSS score
18.79%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian2 products
  • quagga< 0.99.23.1-1+deb8u4 | < 1.1.1-3+deb9u1 | < 0.99.22.4-1+wheezy3+deb7u2
  • debian_linuxEOL8.0 | 9.0
Mageia2 products
  • quagga< 0.99.22.4-4.5.mga5
  • quagga< 0.99.24.1-6.1.mga6
Alpine1 product
  • quagga< 0.99.24.1-r6 | < 1.0.20161017-r1 | < 1.1.1-r1 | < 1.2.2-r0
Quagga1 product
Ubuntu1 product
  • quagga< 0.99.22.4-3ubuntu1.4 | < 0.99.24.1-2ubuntu1.3

5 vendors · 7 products

References

14 links
Show all 14 references