CVE-2023-23598

Arbitrary file read from GTK drag and drop on Linux

EPSS 0.6%

Due to the Firefox GTK wrapper code's use of text/plain for drag data and GTK treating all text/plain MIMEs containing file URLs as being dragged a website could arbitrarily read a file via a call to `DataTransfer.setData`. This vulnerability affects Firefox < 109, Firefox ESR < 102.7, and Thunderbird < 102.7.

Affected products

Mozilla · Firefox Mozilla · Firefox ESR Mozilla · Thunderbird

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References

https://bugzilla.mozilla.org/show_bug.cgi?id=1800425 https://www.mozilla.org/security/advisories/mfsa2023-01/https://www.mozilla.org/security/advisories/mfsa2023-02/https://www.mozilla.org/security/advisories/mfsa2023-03/