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Toaruos CVE-2019-13048

MEDIUM
Integer Overflow or Wraparound (CWE-190)
2019-06-29 cve@mitre.org
Denial Of Service Integer Overflow Toaruos
5.5
CVSS 3.0 · NVD
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Severity by source

NVD PRIMARY
5.5 MEDIUM
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

1
CVE Published
Jun 29, 2019 - 15:15 nvd
MEDIUM 5.5

DescriptionNVD

kernel/sys/syscall.c in ToaruOS through 1.10.9 allows a denial of service upon a critical error in certain sys_sbrk allocation patterns (involving PAGE_SIZE, and a value less than PAGE_SIZE).

AnalysisAI

kernel/sys/syscall.c in ToaruOS through 1.10.9 allows a denial of service upon a critical error in certain sys_sbrk allocation patterns (involving PAGE_SIZE, and a value less than PAGE_SIZE). Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Integer Overflow (CWE-190), which allows attackers to cause unexpected behavior through arithmetic overflow. kernel/sys/syscall.c in ToaruOS through 1.10.9 allows a denial of service upon a critical error in certain sys_sbrk allocation patterns (involving PAGE_SIZE, and a value less than PAGE_SIZE). Affected products include: Toaruos Project Toaruos. Version information: through 1.10.9.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate arithmetic operations, use safe integer libraries, check bounds before allocation.

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An integer wrap in kernel/sys/syscall.c in ToaruOS 1.10.10 allows users to map arbitrary kernel pages into userland proc
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kernel/sys/syscall.c in ToaruOS through 1.10.9 has incorrect access control in sys_sysfunc case 9 for TOARU_SYS_FUNC_SET
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linker/linker.c in ToaruOS through 1.10.9 has insecure LD_LIBRARY_PATH handling in setuid applications. Rated high sever
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apps/gsudo.c in gsudo in ToaruOS through 1.10.9 has a buffer overflow allowing local privilege escalation to the root us
CVE-2022-38934 LOW POC
3.3 Sep 28

readelf in ToaruOS 2.0.1 has some arbitrary address read vulnerabilities when parsing a crafted ELF file. Rated low seve

Same weakness CWE-190 – Integer Overflow or Wraparound

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CVE-2013-2729 CRITICAL POC
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CVE-2014-0569 CRITICAL POC
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CVE-2017-3599 HIGH POC
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CVE-2016-1010 HIGH
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CVE-2013-3940 CRITICAL
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Same technique Denial Of Service

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CVE-2015-5119 CRITICAL POC
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CVE-2011-2462 CRITICAL POC
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CVE-2011-0611 HIGH POC
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CVE-2012-1889 HIGH POC
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CVE-2012-0507 CRITICAL POC
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CVE-2014-1761 HIGH POC
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CVE-2015-5122 CRITICAL POC
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CVE-2011-0609 HIGH POC
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CVE-2019-13048 vulnerability details – vuln.today
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