CVE-2022-38725: An integer overflow in the RFC3164 parser in One Identity syslog-ng 3.0 through 3.37 allows remote attackers to cause a Denial of Service via crafted syslog input that is mishandled by the tcp or network function. syslog-ng Premium Edition 7.0.30 and syslog-ng Store Box 6.10.0 are also affected.
CSIRTS triage
- What
- An integer overflow in the RFC3164 syslog parser causes denial of service when processing crafted syslog input.
- Who is affected
- syslog-ng deployments versions 3.0–3.37, Premium Edition 7.0.30, and Store Box 6.10.0 receiving untrusted syslog data.
- Urgency
- High urgency; CVSS 7.5 (high severity), allows remote denial of service without authentication.
- Action
- Upgrade syslog-ng to a patched version after 3.37, Premium Edition after 7.0.30, or Store Box after 6.10.0.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-38725
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Moderate exploitation riskCVE-2022-387252.4% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 82% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2022-38725 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for An integer overflow
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
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