PT-2020-13971 · Bsdiff · Bsdiff

Luis Merino · Published 2020-09-16 · Updated 2022-01-01 · CVE-2020-14315

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions bsdiff tools version 4.3

Description A memory corruption issue is present due to insufficient checks when handling external inputs, allowing an attacker to bypass sanity checks and write out of a dynamically allocated buffer's boundaries.

Recommendations For version 4.3, consider updating to a newer version that addresses this issue, as the current version allows for memory corruption due to insufficient input checks. 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-2020-14315

Affected Products

Bsdiff

References · 11

• 🔥 https://x41-dsec.de/lab/advisories/x41-2020-006-bspatch · Exploit
• https://security-tracker.debian.org/tracker/CVE-2020-14315 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-14315 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-14315 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-14315 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-14315 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-14315 · Security Note
• https://ubuntu.com/security/CVE-2020-14315 · Vendor Advisory
• https://openwall.com/lists/oss-security/2020/07/09/2 · Note
• https://bugzilla.redhat.com/show_bug.cgi?id=1856747 · Note
• https://freebsd.org/security/advisories/FreeBSD-SA-16:29.bspatch.asc · Note