3 results · Feed
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Medium 4.2
Sparkle's AppInstaller post-stage-1 XPC listener accepts unvalidated connections, allowing spoofed appcast item data injection
Sparkle is a software update framework for macOS. In versions up to and including 2.9.1, `Autoupdate/AppInstaller.m`'s `shouldAcceptNewConnection:` only enforces `SUCodeSigningVerifier validateConnection:` before stage 1 completes. After `_performedStage1Inst…
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Medium 6.1
Sparkle: Binary delta apply intermediate-symlink traversal in malicious .delta
Sparkle is a software update framework for macOS. Prior to version 2.9.2, `Autoupdate/SUBinaryDeltaApply.m` enforces `relativePath.pathComponents containsObject:@".."` and rejects writes whose immediate parent directory IS itself a symbolic link, but does not…
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High 7.3
Signing Checks Bypass
A security issue was found in Sparkle before version 2.6.4. An attacker can replace an existing signed update with another payload, bypassing Sparkle’s (Ed)DSA signing checks.