PT-2020-12665 · Bit2Spr · Bit2Spr

Published 2020-04-04 · Updated 2020-04-06 · CVE-2020-11528

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions bit2spr version 1992-06-07

Description The issue is a stack-based buffer overflow that occurs when processing a bitmap file with a long line, resulting in a 129-byte write. This happens in the conv bitmap function located in bit2spr.c.

Recommendations For bit2spr version 1992-06-07, consider restricting the use of the conv bitmap function in bit2spr.c to minimize the risk of exploitation until a patch is available. Avoid using bit2spr to process bitmap files with long lines until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2020-11528

Affected Products

Bit2Spr

References · 4

• 🔥 https://github.com/14isnot40/vul_discovery/blob/06d04dbbc6f792a82321c00376d4dbf3add00f4f/poc/bit2spr%20vulnerability%20discovery.md.pdf · Exploit
• https://osv.dev/vulnerability/CVE-2020-11528 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-11528 · Security Note
• https://github.com/14isnot40/vul_discovery/blob/14isnot40-patch-1/README.md · Note