chpass in OpenBSD 2.0 through 3.2 allows local users to read portions of arbitrary files via a hard link attack on a temporary file used to

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

• openbsd openbsd2.0
• openbsd openbsd2.1
• openbsd openbsd2.2
• openbsd openbsd2.3
• openbsd openbsd2.4
• openbsd openbsd2.5
• openbsd openbsd2.6
• openbsd openbsd2.7
• openbsd openbsd2.8
• openbsd openbsd2.9
• openbsd openbsd3.0
• openbsd openbsd3.1
• openbsd openbsd3.2

Other highest-scoring records for the same primary product.

• CVE-2007-5365Stack-based buffer overflow in the cons_options function in options.c in dhcpd in OpenBSD 4.0 through 4.2, and some other dhcpd implementati
  52Plan
• CVE-2007-1365Buffer overflow in kern/uipc_mbuf2.c in OpenBSD 3.9 and 4.0 allows remote attackers to execute arbitrary code via fragmented IPv6 packets du
  45Plan
• CVE-2004-0220isakmpd in OpenBSD 3.4 and earlier allows remote attackers to cause a denial of service via an ISAKMP packet with a malformed Cert Request p
  41Plan
• CVE-2001-0284Buffer overflow in IPSEC authentication mechanism for OpenBSD 2.8 and earlier allows remote attackers to cause a denial of service and possi
  41Plan
• CVE-2000-1010Format string vulnerability in talkd in OpenBSD and possibly other BSD-based OSes allows remote attackers to execute arbitrary commands via
  41Plan
• CVE-2020-16088iked in OpenIKED, as used in OpenBSD through 6.7, allows authentication bypass because ca.c has the wrong logic for checking whether a publi
  40Plan

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Root cause

The extension requests broader permissions than its function needs and sends the data it collects out for purposes beyond its stated function.

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

1{2  "permissions": ["tabs", "<all_urls>"],3  "background": { "service_worker": "analytics.js" }4}

1{2  "permissions": ["activeTab"],3  "host_permissions": ["https://yildiz.example/*"]4}

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.