7.5

CVE-2019-1010251: oisf suricata Improper Input Validation

CVSS: 7.5v3.0HighModified
AliasesUBUNTU-CVE-2019-1010251DEBIAN-CVE-2019-1010251
Published 18-07-2019Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2019-1010251 is a high (CVSS 7.5) Improper Input Validation vulnerability in oisf suricata. EPSS estimates a 2.38% chance of exploitation in the next 30 days, higher than 83.7% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
2.38%
0%100%
Low · +0.38 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 18-07-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Open Information Security Foundation Suricata prior to version 4.1.2 is affected by: Denial of Service - DNS detection bypass. The impact is: An attacker can evade a signature detection with a specialy formed network packet. The component is: app-layer-detect-proto.c, decode.c, decode-teredo.c and decode-ipv6.c (https://github.com/OISF/suricata/pull/3590/commits/11f3659f64a4e42e90cb3c09fcef66894205aefe, https://github.com/OISF/suricata/pull/3590/commits/8357ef3f8ffc7d99ef6571350724160de356158b). The attack vector is: An attacker can trigger the vulnerability by sending a specifically crafted network request. The fixed version is: 4.1.2.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.38%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

+0.38 pp

From 2.00% on 21-09-2026

21-09-202621-10-2026
EPSS score
2.38%

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

Debian1 product
  • suricata< 1:4.1.2-2
Oisf1 product
  • suricata4.0.2 | 4.0.3 | 4.0.5 | 4.1.0:beta1
Open information security foundation1 product
  • suricataprior to version 4.1.2 [fixed: 4.1.2]
Ubuntu1 product
  • suricataAll versions (No fix recorded)

4 vendors · 4 products

References

8 links