VulnerabilityModified
CVE-2019-13049
An integer wrap in kernel/sys/syscall.c in ToaruOS 1.10.10 allows users to map arbitrary kernel pages into userland process space via TOARU_SYS_FUNC_MMAP, leading to escalation of privileges.
HIGH 7.8EPSS 0.52%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.52%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An integer wrap in kernel/sys/syscall.c in ToaruOS 1.10.10 allows users to map arbitrary kernel pages into userland process space via TOARU_SYS_FUNC_MMAP, leading to escalation of privileges.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.52% probability · 43th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- toaruos project/toaruos
- Source
- cve@mitre.org
References
- https://github.com/mehsauce/kowasuos/blob/master/exploits/kowasu-sysfunc-revenge.cExploit, Third Party Advisory
- https://github.com/mehsauce/kowasuos/blob/master/exploits/kowasu-sysfunc-revenge.cExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.