PT-2021-12000 · Relic · Relic

One-W01F · Published 2021-04-07 · Updated 2021-04-16 · CVE-2020-36316

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: RELIC versions prior to 2021-04-03

Description: The issue is related to a buffer overflow in PKCS#1 v1.5 signature verification. This occurs because garbage bytes can be present, leading to the overflow.

Recommendations: For versions prior to 2021-04-03, update to a version released after 2021-04-03 to resolve the issue.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2020-36316

Affected Products

Relic

References · 7

• 🔥 https://github.com/relic-toolkit/relic/issues/155 · Exploit
• https://github.com/relic-toolkit/relic/commit/76c9a1fdf19d9e92e566a77376673e522aae9f80 · Patch
• https://osv.dev/vulnerability/CVE-2020-36316 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-36316 · Security Note
• https://github.com/relic-toolkit/relic/tree/32eb4c257fc80328061d66639b1cdb35dbed51a2 · Note
• https://t.me/cvenotify/13350 · Telegram Post
• https://github.com/relic-toolkit/relic · Note