OSDN Git Service

ResStringPool: Fix security vulnerability
authory <rtmitchell@google.com>
Fri, 6 Apr 2018 00:57:27 +0000 (17:57 -0700)
committerAtanas Kirilov <akirilov@google.com>
Fri, 13 Apr 2018 20:34:18 +0000 (20:34 +0000)
commit7e54c3f261d81316b75cb734075319108d8bc1d1
tree4c46c9bc01516759509d853c0c2eb9efb76b373e
parentde71ee469a06fac76710874a69c97f76f4f22af7
ResStringPool: Fix security vulnerability

Adds detection of attacker-modified size and data fields passed to
ResStringPool::setTo(). These attacks are modified apks that AAPT would
not normally generate. In the rare case this occurs, the installation
cannot be allowed to continue.

Bug: 71361168
Bug: 71360999
Test: run cts -m CtsAppSecurityHostTestCases \
          -t android.appsecurity.cts.CorruptApkTests

Change-Id: If7eb93a9e723b16c8a0556fc4e20006aa0391d57
Merged-In: If7eb93a9e723b16c8a0556fc4e20006aa0391d57
libs/androidfw/ResourceTypes.cpp