poppler/pdf_fuzzer: Use-of-uninitialized-value in Decrypt::makeFileKey2

Project: https://anongit.freedesktop.org/git/poppler/poppler.git https://gitlab.freedesktop.org/poppler/poppler.git https://gitlab.freedesktop.org/ceyhunalp/poppler.git Detailed report: https://oss-fuzz.com/testcase?key=6307526613139456 Project: poppler Fuzzer: libFuzzerpopplerpdffuzzer Fuzz targ...

Hackers are exploiting a new zero-day flaw in GPON routers

Even after being aware of various active cyber attacks against the GPON Wi-Fi routers, if you haven't yet taken them off the Internet, then be careful—because a new botnet has joined the GPON party, which is exploiting an undisclosed zero-day vulnerability in the wild. Security researchers from...

Hackers are exploiting a new zero-day flaw in GPON routers

Even after being aware of various active cyber attacks against the GPON Wi-Fi routers, if you haven't yet taken them off the Internet, then be careful—because a new botnet has joined the GPON party, which is exploiting an undisclosed zero-day vulnerability in the wild. Security researchers from...

poppler/pdf_fuzzer: Index-out-of-bounds in BaseCryptStream::BaseCryptStream

Project: https://anongit.freedesktop.org/git/poppler/poppler.git https://gitlab.freedesktop.org/poppler/poppler.git https://gitlab.freedesktop.org/ceyhunalp/poppler.git Detailed report: https://oss-fuzz.com/testcase?key=4785085529194496 Project: poppler Fuzzer: libFuzzerpopplerpdffuzzer Fuzz targ...

RHEL 7 : kernel-alt (RHSA-2018:1374)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:1374 advisory. The kernel-alt packages provide the Linux kernel version 4.x. Security Fixes: kernel: ptrace incorrect error handling leads to corruption an...

Adobe Reader zero-day discovered alongside Windows vulnerability

During the first half of 2018, we have witnessed some particularly interesting zero-day exploits, including one for Flash CVE-2018-4878 and more recently for Internet Explorer CVE-2018-8174. The former was quickly used by exploit kits such as Magnitude, while it is only a matter of time before we...

dlplibs/cdrfuzzer: Use-of-uninitialized-value in libcdr::CDRParserState::_getRGBColor

Detailed report: https://oss-fuzz.com/testcase?key=5767834947813376 Project: dlplibs Fuzzer: libFuzzerdlplibscdrfuzzer Fuzz target binary: cdrfuzzer Job Type: libfuzzermsandlplibs Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State:...

qpid-proton/fuzz-connection-driver: Index-out-of-bounds in pni_inspect_enter

Project: https://github.com/apache/qpid-proton.git Detailed report: https://oss-fuzz.com/testcase?key=6237435934539776 Project: qpid-proton Fuzzer: libFuzzerqpid-protonfuzz-connection-driver Fuzz target binary: fuzz-connection-driver Job Type: libfuzzerubsanqpid-proton Platform Id: linux Crash...

qpid-proton/fuzz-connection-driver: Negative-size-param in transport_consume

Project: https://github.com/apache/qpid-proton.git Detailed report: https://oss-fuzz.com/testcase?key=6301141305393152 Project: qpid-proton Fuzzer: aflqpid-protonfuzz-connection-driver Fuzz target binary: fuzz-connection-driver Job Type: aflasanqpid-proton Platform Id: linux Crash Type:...

A week in security (May 7 – May 13)

Last week on Labs, we looked at the case of a fake Android AV, an annoying adware that goes by the name of Kuik, the return of threat actors behind the Shopper Stop tech scam, a new Netflix phishing scam, the recent zero-day vulnerability in Internet Explorer, and the insufficiency of merely...

Significant retail spending on Mother's Day sets a stage for major holidays in 2018

The second Sunday in May is a special day for everyone because it's Mother's Day. It's also a special day for retailers, as it represents another peak period and serves as the halfway point between the prior year's Black Friday and Cyber Monday and the upcoming year's retail holidays. The retail...

envoy/h1_capture_fuzz_test: Heap-use-after-free in Envoy::FakeRawConnection::write

Detailed report: https://oss-fuzz.com/testcase?key=5631359409192960 Project: envoy Fuzzer: aflenvoyh1capturefuzztest Fuzz target binary: h1capturefuzztest Job Type: aflasanenvoy Platform Id: linux Crash Type: Heap-use-after-free READ 8 Crash Address: 0x6170000de020 Crash State:...

openssl/server: Heap-use-after-free in ssl_get_prev_session

Project: https://github.com/openssl/openssl.git Detailed report: https://oss-fuzz.com/testcase?key=5673171989561344 Project: openssl Fuzzer: aflopensslserver Fuzz target binary: server Job Type: aflasanopenssl Platform Id: linux Crash Type: Heap-use-after-free READ 4 Crash Address: 0x616000001e80...

TippingPoint Threat Intelligence and Zero-Day Coverage – Week of May 7, 2018

This week marked National Teacher Appreciation Week here in the United States. I was happy to see that many other countries celebrate educators in all the other months of the year. All of us have at least one teacher, instructor or professor who really made a difference in our lives. There are tw...

Internet Explorer zero-day: browser is once again under attack

Update 2018-05-25: CVE-2018-8174 has been added to the RIG exploit kit MDNC. Update 2018-05-22: Security researcher Richard Warren mentioned that a fully working IE zero-day now patched with payload was uploaded to VirusTotal. We decided to test Malwarebytes against it, since last time we only ha...

New Facebook-Spread Malware Triggers Credential Theft, Cryptomining

A new malware campaign rapidly spreading via Facebook is infecting victims’ systems to steal their social media credentials and download cryptomining code. The malware, dubbed Nigelthorn by the Radware researchers who first discovered it, is being propagated via socially engineered links on...

Microsoft Patches Two Zero-Day Flaws Under Active Attack

It's time to gear up for the latest May 2018 Patch Tuesday. Microsoft has today released security patches for a total of 67 vulnerabilities, including two zero-days that have actively been exploited in the wild by cybercriminals, and two publicly disclosed bugs. In brief, Microsoft is addressing ...

Microsoft Patches Two Zero-Day Flaws Under Active Attack

It's time to gear up for the latest May 2018 Patch Tuesday. Microsoft has today released security patches for a total of 67 vulnerabilities, including two zero-days that have actively been exploited in the wild by cybercriminals, and two publicly disclosed bugs. In brief, Microsoft is addressing ...

The King is dead. Long live the King!

In late April 2018, a new zero-day vulnerability for Internet Explorer IE was found using our sandbox; more than two years since the last in the wild example CVE-2016-0189. This particular vulnerability and subsequent exploit are interesting for many reasons. The following article will examine th...

wireshark/fuzzshark_ip_proto-udp: Heap-buffer-overflow in Dot11DecryptScanForKeys

Project: https://code.wireshark.org/review/wireshark https://gitlab.com/wireshark/wireshark.git Detailed report: https://oss-fuzz.com/testcase?key=5122206420959232 Project: wireshark Fuzzer: libFuzzerwiresharkfuzzsharkipproto-udp Fuzz target binary: fuzzsharkipproto-udp Job Type:...