SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-19307

An integer overflow in parse_mqtt in mongoose.c in Cesanta Mongoose 6.16 allows an attacker to achieve remote DoS (infinite loop), or possibly cause an out-of-bounds write, by sending a crafted MQTT protocol packet.

CRITICAL 9.8EPSS 41.6%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 41.6%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

An integer overflow in parse_mqtt in mongoose.c in Cesanta Mongoose 6.16 allows an attacker to achieve remote DoS (infinite loop), or possibly cause an out-of-bounds write, by sending a crafted MQTT protocol packet.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
41.62% probability · 99th percentile
CISA KEV
Not listed
Weakness
CWE-125, CWE-190, CWE-787, CWE-835
Affected
cesanta/mongoose
Source
cve@mitre.org

References

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