VulnerabilityModified
CVE-2018-11595
Espruino before 1.99 allows attackers to cause a denial of service (application crash) and a potential Escalation of Privileges with a user crafted input file via a Buffer Overflow during syntax parsing, because strncat is misused.
HIGH 7.8EPSS 1.30%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Espruino before 1.99 allows attackers to cause a denial of service (application crash) and a potential Escalation of Privileges with a user crafted input file via a Buffer Overflow during syntax parsing, because strncat is misused.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.30% probability · 69th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- espruino/espruino
- Source
- cve@mitre.org
References
- https://github.com/espruino/Espruino/commit/0a7619875bf79877907205f6bee08465b89ff10bPatch, Vendor Advisory
- https://github.com/espruino/Espruino/files/2019210/test_0.txtExploit, Vendor Advisory
- https://github.com/espruino/Espruino/files/2019216/test_2.txtExploit, Vendor Advisory
- https://github.com/espruino/Espruino/files/2019220/test_4.txtExploit, Vendor Advisory
- https://github.com/espruino/Espruino/issues/1425Issue Tracking, Vendor Advisory
- https://github.com/espruino/Espruino/commit/0a7619875bf79877907205f6bee08465b89ff10bPatch, Vendor Advisory
- https://github.com/espruino/Espruino/files/2019210/test_0.txtExploit, Vendor Advisory
- https://github.com/espruino/Espruino/files/2019216/test_2.txtExploit, Vendor Advisory
- https://github.com/espruino/Espruino/files/2019220/test_4.txtExploit, Vendor Advisory
- https://github.com/espruino/Espruino/issues/1425Issue Tracking, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.