Patchfirst
CVE-2022-22719 EPSS 69.1%

mod_lua Use of uninitialized value of in r:parsebody

Apache Software Foundation · Apache HTTP Server

Summary

The flaw is in Apache HTTP Server, where processing a request body can trigger a read from a random memory area, a defect rooted in improper initialization. The provided material does not specify the attack vector, authentication, user interaction, or configuration requirements, so the conditions under which an attacker can trigger it are not stated; the observable effect is that the server process may crash.

Official description · CVE.org

A carefully crafted request body can cause a read to a random memory area which could cause the process to crash. This issue affects Apache HTTP Server 2.4.52 and earlier.

Breakdown
24.8 / 100
Exploited
Not confirmed
Reports
1
Tactics
2/15

How an attack unfolds

Based on mappings. Select a step to see the evidence.
  1. How attackers get in

  2. What they do

Disclosed on 14 Mar 2022. No public exploit code or confirmed exploitation is recorded.

techniques

2 , grouped by in kill-chain order, 2 cited passages 2

Initial AccessTA0001

Exploit Public-Facing Application T1190 Medium
AI mapping from the description · how it is exploited

Crafted HTTP request to public-facing web server

A carefully crafted request body can cause a read
From the official description (CVE.org) Original (opens in a new tab) ↗

ImpactTA0040

Application or System Exploitation T1499.004 Medium
AI mapping from the description · primary impact

Crash of process causes denial of service

could cause the process to crash
From the official description (CVE.org) Original (opens in a new tab) ↗

Detection

0 rules for this CVE · 152 general rules for its techniques

Rules for this CVE

0 that reference CVE-2022-22719 directly.

CVE-specific rules are not available in this build. Search SigmaHQ ↗

General rules for this CVE’s techniques

These detect the technique in general, not this specific vulnerability.

Sigma rules © SigmaHQ, Detection Rule License 1.1; linked, not reproduced.

What security researchers reported

Named in 1 threat report
1 reportTrustwave

Reports are matched by finding the exact id CVE-2022-22719 in their text; nobody has reviewed the match. One passage is shown per report, at most 320 characters, linked to the original.

Also mentioned in 2 community threat pulses (AlienVault OTX)

Weaker evidence

Pulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.

References

15 links, grouped by NVD tag
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