CVE-2024-42328: zabbix NULL Pointer Dereference
CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2024-42328DEBIAN-CVE-2024-42328
Published 27-11-2024Last modified 27-11-2024
Vulnerability summary
CVE-2024-42328 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in zabbix. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 13.7% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
0.24%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 27-11-2024PublishedVulnerability first disclosed.
- 27-11-2024Last modifiedVulnerability information updated.
Description
When the webdriver for the Browser object downloads data from a HTTP server, the data pointer is set to NULL and is allocated only in curl_write_cb when receiving data. If the server's response is an empty document, then wd->data in the code below will remain NULL and an attempt to read from it will result in a crash.
CVSS metrics
4 scores · 4 sources · 1 versionMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSources4 sources · 3.3–5.5
- CVE.orgCNA3.3LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:LDiffers
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
14%
Versus all other CVEs
30-day change
0.00 pp
From 0.24% on 21-09-2026
21-09-202621-10-2026
EPSS score0.24%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-476NULL Pointer DereferenceThe product dereferences a pointer that it expects to be valid but is NULL.
- CWE-690Unchecked Return Value to NULL Pointer DereferenceThe product does not check for an error after calling a function that can return with a NULL pointer if the function fails, which leads to a resultant NULL pointer dereference.
Affected systems
Debian1 product
- zabbix< 1:7.0.5+dfsg-1
Ubuntu1 product
- zabbixAll versions (No fix recorded)
Zabbix1 product
- zabbix≥ 7.0.0, ≤ 7.0.2 | ≥ 7.0.0, < 7.0.4
3 vendors · 3 products
