PT-2020-19832 · Unknown · Spamsniper

Published 2020-12-27 · Updated 2020-12-30 · CVE-2020-7845

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 Spamsniper versions 5.0 through 5.2.7

Description The issue is caused by improper boundary checks when parsing the MAIL FROM command, leading to a stack-based buffer overflow. This allows a remote attacker to execute arbitrary code via a crafted packet.

Recommendations For Spamsniper versions 5.0 through 5.2.7, consider restricting access to the MAIL FROM command until a patch is available. As a temporary workaround, avoid using the vulnerable command to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Corruption

Stack Overflow

Weakness Enumeration

CWE-787

CWE-121

Related Identifiers

CVE-2020-7845

Affected Products

Spamsniper

References · 5

• https://jiransecurity.com · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-7845 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-7845 · Security Note
• https://krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=35855 · Note
• https://t.me/cvenotify/7772 · Telegram Post