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CVE-2023-2316 is an improper path handling vulnerability in Typora for Windows and Linux before version 1.6.7. Typora’s custom Electron protocol handler for the typora://app/ scheme does not properly restrict absolute paths, allowing crafted web content embedded in Markdown to request arbitrary local files via typora://app/<absolute-path>. Reported examples include reading C:/Windows/win.ini on Windows and /etc/passwd on Linux. The issue can be triggered when a victim opens a malicious Markdown file in Typora or pastes attacker-controlled content copied from a malicious webpage into Typora. The disclosed content can then be exfiltrated to a remote server by attacker-controlled JavaScript running in the embedded webpage.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A local file disclosure/path traversal vulnerability in Typora for Windows and Linux before version 1.6.7 that allows crafted webpages embedded in markdown content to access arbitrary local files via the typora://app/ protocol and exfiltrate them.
An earlier Typora arbitrary local file read issue referenced as the incomplete prior fix related to the newer vulnerability.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.