[Bug 1930286] Re: Defensics' synopsys fuzzer testing tool cause openssh to segfault

2021-06-07 Thread Eric Desrochers
** Description changed: [Impact] Here's what has been brought to my attention by a UA customer: * Release: Xenial/16.04LTS * Openssh version: 7.2p2-4ubuntu2.10 * Fuzzer tool used: https://www.synopsys.com/software-integrity/security-testing/fuzz-testing.html (proprietary

[Bug 1930286] Re: Defensics' synopsys fuzzer testing tool cause openssh to segfault

2021-06-07 Thread Eric Desrochers
debdiff to go over the ESM process by security team. Thanks - Eric ** Patch added: "xenial_lp1930286.debdiff" https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/1930286/+attachment/5502934/+files/xenial_lp1930286.debdiff -- You received this bug notification because you are a member of

[Bug 1930286] Re: Defensics' synopsys fuzzer testing tool cause openssh to segfault

2021-06-07 Thread Eric Desrochers
** Changed in: openssh (Ubuntu Xenial) Status: New => In Progress ** Description changed: + [Impact] Here's what has been brought to my attention by a UA customer: * Release: Xenial/16.04LTS * Openssh version: 7.2p2-4ubuntu2.10 * Fuzzer tool used: https://www.synop

[Bug 1930286] Re: Defensics' synopsys fuzzer testing tool cause openssh to segfault

2021-06-07 Thread Eric Desrochers
UA customer test pkg outcome: " We ran the Defensics test suite before and after installing the test packages. We could observe two core dumps before the test package installation. But after test package installation, core dumps were not generated. Can you provide this package as the fix? " This

[Bug 1930286] Re: Defensics' synopsys fuzzer testing tool cause openssh to segfault

2021-06-02 Thread Eric Desrochers
Hello Seth, So far no production impact has been reported, for now it is only reproducible using that particular fuzzer on xenial's openssh version. Thanks -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bu

[Bug 1930286] Re: Defensics' synopsys fuzzer testing tool cause openssh to segfault

2021-06-02 Thread Seth Arnold
Hello Eric, thanks for doing the research on this issue. Does the coredump look like this may be exploitable in some fashion? Is the crash something that affects anything beyond the specific process serving the client in question? Thanks -- You received this bug notification because you are a