SARA / Free Tools / CVE / CVE-2017-5454

CVE-2017-5454 — A mechanism to bypass file system access protections in the sandbox to use the f

A mechanism to bypass file system access protections in the sandbox to use the file picker to access different files than those selected in the file picker through the use of relative paths. This allows for read only access to the local file system. This vulnerability affects Thu

CVSS
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EPSS
0.53% (top 32.90%)
CWE
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Published
2018-06-11T21:00:00.000Z
Last modified
2024-08-05T15:04:14.622Z
CVSS vector
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01What is this vulnerability?

A mechanism to bypass file system access protections in the sandbox to use the file picker to access different files than those selected in the file picker through the use of relative paths. This allows for read only access to the local file system. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.

02Affected products

VendorProductVersions
MozillaThunderbirdunspecified
MozillaFirefox ESRunspecified
MozillaFirefoxunspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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