VulnerabilityModified

CVE-2012-4706

Integer signedness error in 3S CODESYS Gateway-Server before 2.3.9.27 allows remote attackers to cause a denial of service via a crafted packet that triggers a heap-based buffer overflow.

HIGH 7.8EPSS 1.61%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.61%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Integer signedness error in 3S CODESYS Gateway-Server before 2.3.9.27 allows remote attackers to cause a denial of service via a crafted packet that triggers a heap-based buffer overflow.

CVSS 2.0: 7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS: 1.61% probability · 74th percentile
CISA KEV: Not listed
Weakness: CWE-189
Affected: 3s-software/codesys gateway-server
Source: ics-cert@hq.dhs.gov

References

http://ics-cert.us-cert.gov/advisories/ICSA-13-050-01A
http://ics-cert.us-cert.gov/advisories/ICSA-13-050-01A

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.