OpenBSD 6.x - Dynamic Loader Privilege Escalation Exploit

Local Privilege Escalation in OpenBSD's dynamic loader CVE-2019-19726 ============================================================================== Contents ============================================================================== Summary Analysis Demonstration Acknowledgments...

CVE-2019-19726

OpenBSD through 6.6 allows local users to escalate to root because a check for LDLIBRARYPATH in setuid programs can be defeated by setting a very small RLIMITDATA resource limit. When executing chpass or passwd which are setuid root, dlsetupenv in ld.so tries to strip LDLIBRARYPATH from the...

CVE-2019-19726: Improper Privilege Management

OpenBSD through 6.6 allows local users to escalate to root because a check for LDLIBRARYPATH in setuid programs can be defeated by setting a very small RLIMITDATA resource limit. When executing chpass or passwd which are setuid root, dlsetupenv in ld.so tries to strip LDLIBRARYPATH from the...

CVE-2015-3335: Undefined Security Weakness

The NaClSandbox::InitializeLayerTwoSandbox function in components/nacl/loader/sandboxlinux/naclsandboxlinux.cc in Google Chrome before 42.0.2311.90 does not have RLIMITAS and RLIMITDATA limits for Native Client aka NaCl processes, which might make it easier for remote attackers to conduct...