Vulnerability Spotlight: Use-after
Vulnerabilities mentionedAll →
| CVE | Vulnerability | CVSS | EPSS | Flags | Affected | Exposure | Published |
|---|---|---|---|---|---|---|---|
| CVE-2020-28588 | An information disclosure vulnerability exists in the /proc/pid/syscall functionality of Linux Kernel 5.1 Stable and 5.4.66. An information disclosure vulnerability exists in the /proc/pid/syscall functionality of Linux Kernel 5.1 Stable and 5.4.66. More specifically, this issue has been introduced in v5.1-rc4 (commit 631b7abacd02b88f4b0795c08b54ad4fc3e7c7c0) and is still present in v5.10-rc4, so it’s likely that all versions in between are affected. An attacker can read /proc/pid/syscall to trigger this vulnerability, which leads to the kernel leaking memory contents. NVD description · AI analysis pending | 5.5 | 1% | PoC |
| — |
Full article226 words · extracted from blog.talosintelligence.com · click to collapse
Thursday, May 6, 2021 11:10
Aleksandar Nikolic of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw.
Cisco Talos recently discovered a use-after-free vulnerability in the Foxit PDF Reader.
Foxit PDF Reader is one of the most popular PDF document readers currently available. As a complete and feature-rich PDF reader, it supports JavaScript for interactive documents and dynamic forms.
TALOS-2021-1287 (CVE-2020-28588) is a use-after-free vulnerability that exists in the PDF Reader that could lead to an adversary gaining the ability to execute arbitrary code on the victim machine. An attacker needs to trick a user into opening a specially crafted, malicious PDF to exploit this vulnerability. The vulnerability specifically exists in the way Foxit PDF Reader handles certain annotation types.
Cisco Talos worked with Foxit to ensure that that this issue is resolved and an update is available for affected customers, all in adherence to Cisco’s vulnerability disclosure policy.

Users are encouraged to update Foxit Reader 10.1.3.37598 as soon as possible. Talos tested and confirmed this version of the PDF Reader could be exploited by this vulnerability.
The following SNORTⓇ rules will detect exploitation attempts against this vulnerability: 57479 and 57480. Additional rules may be released in the future and current rules are subject to change, pending additional vulnerability information. For the most current rule information, please refer to your Firepower Management Center or Snort.org.
Text extracted automatically; images, tables and formatting may be missing. Original: https://blog.talosintelligence.com/vuln-spotlight-foxit-use-after-free/