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Digest · Monday

Security digest: June 30, 2025

1 editorial brief, 1 known exploited (cisa kev) addition and 1 critical advisory.

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Take stock

  • Check exposure: sudo --chroot Local Root Escalation (CVE-2025-32463). Admins of Linux hosts where untrusted or semi-trusted users, compromised services or CI jobs can get a local shell, if sudo is 1.9.14 through 1.9.17 without the distro patch.
  • Do you run any of these? Citrix NetScaler ADC and Gateway. They are being exploited in the wild (CISA KEV). Patch or mitigate if you do; CISA’s federal deadline is 2025-07-21.
  • Maven: 1 critical advisory (org.conductoross:conductor-core). Check with mvn dependency:tree -Dincludes=<groupId>:<artifactId>.
  • None of it touches your stack? Then there is nothing to do today. That is a result, not a failure to read carefully.

Editorial briefs

Check exposure

· Vulnerability · CVE-2025-32463, CVE-2025-32462

sudo --chroot Local Root Escalation (CVE-2025-32463)

Distros patched this in mid-2025 and it is now known-exploited; any multi-user or shared Linux host still on sudo 1.9.14-1.9.17 without the vendor fix hands root to every local account.

Must act: Admins of Linux hosts where untrusted or semi-trusted users, compromised services or CI jobs can get a local shell, if sudo is 1.9.14 through 1.9.17 without the distro patch.

Can relax: Single-user machines, hosts on sudo 1.9.17p1 or a vendor-patched build, and systems with sudo 1.8.32 or older (no chroot feature); CVE-2025-32462 matters only with host-restricted sudoers rules.

  1. Check sudo -V | head -1 and your package version (dpkg -l sudo / rpm -q sudo) against your distro's advisory.
  2. Install the vendor-patched sudo package or upstream 1.9.17p1 or later on every host, including container base images and golden AMIs.
  3. Prioritize shared hosts: bastions, build/CI runners, HPC and lab machines, and servers running internet-facing services under local accounts.

Read the brief →

Known exploited (CISA KEV) 1

Added to CISA’s catalog on this day: confirmed exploitation in the wild. Due date = CISA’s deadline for US federal agencies.

CVEProduct and flawCISA due
CVE-2025-6543Citrix NetScaler ADC and Gateway
Citrix NetScaler ADC and Gateway Buffer Overflow Vulnerability		2025-07-21

Critical advisories by ecosystem 1

GitHub-reviewed advisories rated critical, published this day (Pacific time).

Maven 1

Check: mvn dependency:tree -Dincludes=<groupId>:<artifactId>