Buffer overflow in IBM Informix Dynamic Server
CVE-2023-28523
IBM Informix Dynamic Server 12.10 and 14.10 onsmsync is vulnerable to a heap buffer overflow, caused by improper bounds checking which could allow an attacker to execute arbitrary code. IBM X-Force ID: 250753.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (21.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- IBM Informix Dynamic Server — versions 12.10, 14.10
- IBM Informix Dynamic Server — versions 12.10, 14.10
- IBM Informix Dynamic Server On Cloud Pak For Data
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.ibm.com/support/pages/node/7070188 (vendor-advisory, Vendor Advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/250753 (VDB Entry, vdb-entry, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-28523?
- CVE-2023-28523 is a high-severity vulnerability in IBM Informix Dynamic Server, classified under Heap-based Buffer Overflow. CVSS score: 8.4/10. Published 2023-12-09.
- How severe is CVE-2023-28523?
- High severity. CVSS v3 base score is 8.4 out of 10.
- Is CVE-2023-28523 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.