Security News

Windows 11 ‘ThemeBleed’ RCE bug gets proof-of-concept exploit
2023-09-14 15:55

Proof-of-concept exploit code has been published for a Windows Themes vulnerability tracked as CVE-2023-38146 that allows remote attackers to execute code. The exploit code was released by Gabe Kirkpatrick, one of the researchers who reported the vulnerability to Microsoft on May 15 and received $5,000 for the bug.

Week in review: 11 search engines for cybersecurity research, PoC for RCE in Juniper firewall released
2023-09-03 08:00

What does optimal software security analysis look like?In this Help Net Security interview, Kevin Valk, co-CEO at Codean, discusses the consequences of relying solely on automated tools for software security. Apple offers security researchers specialized iPhones to tinker withApple is inviting security researchers to apply for its Security Research Device Program again, to discover vulnerabilities and earn bug bounties.

Hackers exploit critical Juniper RCE bug chain after PoC release
2023-08-29 14:51

Hackers are using a critical exploit chain to target Juniper EX switches and SRX firewalls via their Internet-exposed J-Web configuration interface. One week after Juniper disclosed and released security updates to patch the four flaws that can be chained to achieve remote code execution, watchTowr Labs security researchers released a proof-of-concept exploit targeting the SRX firewall bugs.

Exploit released for Juniper firewall bugs allowing RCE attacks
2023-08-28 14:46

Proof-of-concept exploit code has been publicly released for vulnerabilities in Juniper SRX firewalls that, when chained, can allow unauthenticated attackers to gain remote code execution in Juniper's JunOS on unpatched devices.Juniper disclosed four medium-severity bugs in its EX switches and SRX firewalls and released security patches two weeks ago.

PoC for no-auth RCE on Juniper firewalls released
2023-08-28 10:20

Researchers have released additional details about the recently patched four vulnerabilities affecting Juniper Networks' SRX firewalls and EX switches that could allow remote code execution, as well as a proof-of-concept exploit. Earlier this month, Juniper Networks published an out-of-cycle security bulletin notifying customers using its SRX firewalls and EX switches of vulnerabilities that, chained together, would allow attackers to remotely execute code on vulnerable appliances.

Week in review: Security Onion 2.4 released, WinRAR vulnerable to RCE
2023-08-27 08:00

Lazarus Group exploited ManageEngine vulnerability to target critical infrastructureNorth Korean state-sponsored hackers Lazarus Group have been exploiting a ManageEngine ServiceDesk vulnerability to target internet backbone infrastructure and healthcare institutions in Europe and the US. Maintaining consistent security in diverse cloud infrastructuresIn this Help Net Security interview, Kennedy Torkura, CTO at Mitigant, discusses the complexity of maintaining clear visibility into cloud environments, why it poses such a challenge for CISOs, and how they can prepare to address potential issues. IEEE 802.11az provides security enhancements, solves longstanding problemsIn this Help Net Security interview, Jonathan Segev, IEEE 802.11 Task Group Chair of next-generation positioning at IEEE, discusses IEEE 802.11az.

Juniper Networks fixes flaws leading to RCE in firewalls and switches
2023-08-22 08:40

Juniper Networks has fixed four vulnerabilities in Junos OS that, if chained together, could allow attackers to achieve remote code execution on the company's SRX firewalls and EX switches.Junos OS is an operating system based on Linux and FreeBSD that runs on Juniper Networks firewalls, network switches and other security devices.

Industrial PLCs worldwide impacted by CODESYS V3 RCE flaws
2023-08-11 14:33

Millions of PLC used in industrial environments worldwide are at risk to 15 vulnerabilities in the CODESYS V3 software development kit, allowing remote code execution and denial of service attacks. Over 500 device manufacturers use the CODESYS V3 SDK for programming on more than 1,000 PLC models according to the IEC 61131-3 standard, allowing users to develop custom automation sequences.

Microsoft Office update breaks actively exploited RCE attack chain
2023-08-08 20:15

Microsoft today released a defense-in-depth update for Microsoft Office that prevents exploitation of a remote code execution vulnerability tracked as CVE-2023-36884 that threat actors have already leveraged in attacks. In today's Microsoft August Patch Tuesday, the update helps fix CVE-2023-36884, a security issue disclosed in July, which Microsoft did not patch at the time but provided mitigation advice.

PaperCut fixes bug that can lead to RCE, patch quickly! (CVE-2023-39143)
2023-08-07 10:41

Ai researchers have published some details about CVE-2023-39143, two vulnerabilities in PaperCut application servers that could be exploited by unauthenticated attackers to execute code remotely. They noted, unlike the PaperCut vulnerability recently leveraged by Clop and LockBit ransomware affiliates, CVE-2023-39143 is not a "One-shot" RCE bug.