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ttps_attack:T1068 × criticity:medium × limpar

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6 casos · pág. 1/1

securityaffairs.com · medium

Calif publishes OpenBSD 7.9 root exploit chaining 37-year-old shm_nattch overflow with kernel out-of-bounds write; patched

Cybersecurity firm Calif published a full exploit and write-up for a local privilege escalation to root on OpenBSD 7.9, chaining two kernel flaws, one of which is a 37-year-old integer overflow inherited from the original BSD sources. The exploit bypasses KARL address randomization and SMAP/SMEP protections without requiring any informati…

gbhackers.com · medium

Varonis Threat Labs chains PostgreSQL features to gain OS-level code execution on Snowflake Postgres (fixed server-side)

Varonis Threat Labs disclosed a privilege-escalation chain in Snowflake Postgres that turned a limited, non-superuser role (snowflakeadmin, holding CREATEROLE) into operating-system command execution as the postgres account. The chain abused built-in PostgreSQL behaviors, even though Snowflake had blocked the usual SQL-to-OS routes. Varon…

sec.cloudapps.cisco.com · medium

Cisco APIC export policies flaw (CVE-2026-76488) lets authenticated admins read sensitive files and escalate to root

Cisco disclosed CVE-2026-76488, a medium-severity vulnerability in the export policies functionality of Cisco Application Policy Infrastructure Controller (APIC). An authenticated remote attacker with valid administrative credentials could read sensitive files from the underlying file system of an affected device. The files include key ma…

sentinelone.com · medium

BYOVD trust gap: Windows kernel still loads revoked-certificate drivers; ~36% of LOLDrivers samples absent from default blocklist

SentinelOne analysis argues that bring your own vulnerable driver (BYOVD) succeeds because of a signing-trust gap rather than an incomplete driver list. The Windows kernel loads drivers signed with expired or revoked certificates, and a 2026 intrusion reported by Help Net Security used a decade-old forensic driver whose certificate had lo…

sentinelone.com · medium

BYOVD and EDR-Killer Hunting: Four Distinct Techniques Detection Teams Should Cover Separately Before Ransomware Deployment

SentinelOne argues that "EDR killer" covers four different techniques, and a single driver-load rule leaves blind spots. The four are bring-your-own-vulnerable-driver (BYOVD), bring-your-own-installer, admin-to-kernel, and driverless suspension. The article gives hunt logic for each and recommends rolling them out in order of signal quali…

welivesecurity.com · medium

ESET: SMBs face AI agent supply chain and prompt injection risks alongside accelerated phishing, exploitation and ransomware

ESET analysis describes a two-pronged risk for small and mid-size businesses (SMBs): AI agents create new paths into business systems, while attackers use AI to add speed and scale to established threats. Between March and May 2026, ESET scanned almost 900,000 unique agent skills from popular repositories and found more than 25,000 suspic…