PT-2013-4494 · Dell · Dell Bios

Corey Kallenberg + 2 · Published 2013-08-28 · Updated 2013-10-07 · CVE-2013-3582

Positive Technologies (AI Summary)

CVSS v2.0

7.6

High

Base vector

AV:N/AC:H/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Dell BIOS versions (affected versions not specified)

Description The issue allows local users to bypass intended BIOS signing requirements and install arbitrary BIOS images by leveraging administrative privileges. This is achieved by providing a crafted rbu packet.pktNum value in conjunction with a crafted rbu packet.pktSize value, exploiting a buffer overflow in the Dell BIOS.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2013-3582

Affected Products

Dell Bios

References · 6

• 🔥 https://media.blackhat.com/us-13/US-13-Butterworth-BIOS-Security-Slides.pdf · Exploit
• 🔥 https://media.blackhat.com/us-13/US-13-Butterworth-BIOS-Security-WP.pdf · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2013-3582 · Security Note
• http://kb.cert.org/vuls/id/912156 · Note
• https://blackhat.com/us-13/archives.html#Butterworth · Note
• http://kb.cert.org/vuls/id/BLUU-99HSLA · Note