mirror of
https://github.com/norandom/OpenUltraSAST.git
synced 2026-10-18 04:29:27 +00:00
Marius Ciepluch
0116f9bea6
Harvest 176 isolated vuln-vs-fix functions (109 CVEs, 352 training rows) into benchmarks/pairs/vfc with provenance and a JSONL training manifest. Score the slice as an honesty dashboard (ousast pairs --slice vfc); keep the pair gate on the local fixtures only.
45 lines
2.0 KiB
C++
45 lines
2.0 KiB
C++
// Provenance: chromium/chromium IsShellIntegratedExtension (fixed).
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// repo: chromium/chromium
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// commit: 22c61cfae5d1b37c773e638d342488ae11118b51
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// parent: a07d0ae0a7dc68686adca10dcf11138cb2f4ab6d
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// commit_url: https://github.com/chromium/chromium/commit/22c61cfae5d1b37c773e638d342488ae11118b51
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// cve: CVE-2022-2162
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// license: BSD-3-Clause
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// function: IsShellIntegratedExtension
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// relpath: content/browser/file_system_access/file_system_chooser.cc
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bool FileSystemChooser::IsShellIntegratedExtension(
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const base::FilePath::StringType& extension) {
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// TODO(https://crbug.com/1154757): Figure out some way to unify this with
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// net::IsSafePortablePathComponent, with the result probably ending up in
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// base/i18n/file_util_icu.h.
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// - For the sake of consistency across platforms, we sanitize '.lnk' and
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// '.local' files on all platforms (not just Windows)
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// - There are some extensions (i.e. '.scf') we would like to sanitize which
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// `net::GenerateFileName()` does not
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base::FilePath::StringType extension_lower =
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base::ToLowerASCII(GetLastExtension(extension));
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// '.lnk' and '.scf' files may be used to execute arbitrary code (see
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// https://nvd.nist.gov/vuln/detail/CVE-2010-2568 and
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// https://crbug.com/1227995, respectively). '.local' files are used by
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// Windows to determine which DLLs to load for an application. '.url' files
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// can be used to read arbirtary files (see https://crbug.com/1307930).
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if ((extension_lower == FILE_PATH_LITERAL("lnk")) ||
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(extension_lower == FILE_PATH_LITERAL("local")) ||
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(extension_lower == FILE_PATH_LITERAL("scf")) ||
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(extension_lower == FILE_PATH_LITERAL("url"))) {
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return true;
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}
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// Setting a file's extension to a CLSID may conceal its actual file type on
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// some Windows versions (see https://nvd.nist.gov/vuln/detail/CVE-2004-0420).
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if (!extension_lower.empty() &&
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(extension_lower.front() == FILE_PATH_LITERAL('{')) &&
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(extension_lower.back() == FILE_PATH_LITERAL('}'))) {
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return true;
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}
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return false;
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}
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