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Exploits and vulnerabilities in Q1 2025
- The first quarter of 2025 revealed continued publication of vulnerabilities discovered and fixed from 2024, with a shift towards older OS versions being targeted in attacks.
- There was a notable delay between problem investigation and patch release, emphasizing the importance of reserving CVE IDs early.
- Linux kernel vulnerabilities in Q1 2025 were predominantly related to CWEs like Null Pointer Dereference and Use after Free.
- Microsoft software vulnerabilities in the same period commonly involved issues like Heap-based Buffer Overflow and Out-of-bounds Write.
- Exploiting vulnerabilities in common CWEs demands sophisticated capabilities due to Linux's robust mitigations.
- Windows exploits in Q1 2025 targeted vulnerabilities like CVE-2018-0802 and CVE-2017-11882, emphasizing the need for regular updates.
- The most exploited Linux vulnerabilities included CVE-2022-0847 (Dirty Pipe) and CVE-2019-13272, highlighting the importance of system updates.
- Published exploits in Q1 2025 mostly targeted operating systems, browsers, and Microsoft Office products.
- APT attacks focused on exploiting vulnerabilities in perimeter devices and server software, with the Zerologon vulnerability reappearing in the top 10 list.
- Prominent vulnerabilities included a Windows LNK file display flaw and a NetNTLM hash leakage vulnerability in the file system indexer.
- To mitigate risks, it is crucial to promptly install updates, monitor infrastructure, implement strong patch management, and use effective cybersecurity solutions.
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