Home/CVE/UnRAR before 6.2.3 allows extraction of files outside of the destination folder via symlink chains.
CVE

CVE-2022-48579

UnRAR before 6.2.3 allows extraction of files outside of the destination folder via symlink chains.

UnRAR before 6.2.3 allows extraction of files outside of the destination folder via symlink chains.

HIGH · CVSS 7.5 EPSS 0.00081
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-59Improper Link Resolution Before File Access ('Link Following')
▤

Affected Products & Versions

1
rarlab unrar< 6.2.3
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD07 Aug 2023 · 04:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

3
usnUSN-7350-1
msrcCVE-2022-48579
oracle-cpuoracle-cpu-Oracle-Outside-In-Technology-2276--CVE-2022-48579
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/pmachapman/unrar/commit/2ecab6bb5ac4f3b88f270218445496662020205f#diff-ca3086f578522062d7e390ed2cd7e10f646378a8b8cbf287a6e4db5966df68eePatch
https://lists.debian.org/debian-lts-announce/2023/08/msg00023.html
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