CVE-2010-2063 Memory corruption in n/a

What is CVE-2010-2063?

CVE-2010-2063 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 17 Jun 2010. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Buffer overflow in the SMB1 packet chaining implementation in the chain_reply function in process.c in smbd in Samba 3.0.x before 3.3.13 allows remote attackers to cause a denial of service (memory corruption and daemon crash) or possibly execute arbitrary code via a crafted field in a packet.

Weakness: CWE-119

Which versions are affected by CVE-2010-2063?

It affects 3 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Samba Samba.

How do I fix CVE-2010-2063?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2010-2063 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2010-2063 exists.

Public exploit code: 1 Metasploit module and 1 Exploit-DB entry.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2010-2063, DSA-2061-1, ECHO-abde-1b1f-8bb4, GHSA-ghx2-3q8p-8mw6, RHSA-2010:0488.