PT-2021-20144 · Gocr+1 · Gocr+1

Zhouan · Published 2021-11-17 · Updated 2024-01-24 · CVE-2021-33480

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions gocr versions through 0.53-20200802

Description An use-after-free issue was discovered in the context correction() function in pgm2asc.c. This issue can be exploited due to incorrect handling of memory, potentially leading to unintended behavior or crashes.

Recommendations For gocr versions through 0.53-20200802, as a temporary workaround, consider restricting access to the context correction() function in pgm2asc.c until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2021-33480

Affected Products

Debian

Gocr

References · 13

• 🔥 https://sourceforge.net/p/jocr/bugs/41 · Exploit
• 🔥 https://sourceforge.net/p/jocr/bugs/40 · Exploit
• https://security-tracker.debian.org/tracker/CVE-2021-33480 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-33480 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-33480 · Security Note
• https://osv.dev/vulnerability/CVE-2021-33480 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-33480 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-33480 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-33480 · Vendor Advisory
• https://security.gentoo.org/glsa/202401-28 · Vendor Advisory
• https://t.me/cvenotify/68465 · Telegram Post
• https://t.me/cibsecurity/32533 · Telegram Post
• https://bugzilla.redhat.com/show_bug.cgi?id=1962854 · Note