CVE-2017-13032

The RADIUS parser in tcpdump before 4.9.2 has a buffer over-read in print-radius.c:print_attr_string()

published September 14, 2017

CVSS
โ€”
EPSS
3%
Percentile
88.1
In the wild
Unconfirmed
What it is

โš ๏ธ A sneaky buffer over-read hides in tcpdump's RADIUS parser! It can expose sensitive information without any special tricks โ€” like reading notes left on a desk without permission. ๐Ÿ” Imagine a librarian who accidentally reads aloud from a private letter filed among books โ€” thatโ€™s what this buffer over-read could do, revealing data that should stay confidential. ๐Ÿ“š An attacker could exploit this flaw to read potentially sensitive information from memory. While it's not a complete breach, the exposure could lead to unwanted access to private data, making it a nuisance for security-conscious users.

Put simply

Imagine a librarian who accidentally reads aloud from a private letter filed among books โ€” thatโ€™s what this buffer over-read could do, revealing data that should stay confidential. ๐Ÿ“š This vulnerability in tcpdump's RADIUS parser allows for a buffer over-read, which means that data outside of the intended bounds can be accessed, potentially leaking sensitive information.

What to do

An attacker could exploit this flaw to read potentially sensitive information from memory. While it's not a complete breach, the exposure could lead to unwanted access to private data, making it a nuisance for security-conscious users. Update tcpdump to version 4.9.2 or later to patch this vulnerability. Regularly audit your systems to ensure you are running the latest versions of your software. You've got this! Keep your systems secure and patched, and you'll be a security hero in no time! ๐Ÿฆธโ€โ™‚๏ธ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03241 ยท 88.1th percentile
Published
2017-09-14T06:00Z
EPSS history
Timeline
  • 14 SEP 06:00Z
    The RADIUS parser in tcpdump before 4.9.2 has a buffer over-read in print-radius.c:print_attr_string()
    cvelistv5