CVE-2007-6016 Memory corruption in n/a

Critical 9.3 Published 29 Feb 2008 Updated 7 Aug 2024

Remote attackers can execute arbitrary code on client machines via stack-based buffer overflows in the Backup Exec ActiveX control when a user visits a malicious page.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2007-6016?

CVE-2007-6016 is a critical memory corruption vulnerability in n/a, published on 29 Feb 2008. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Multiple stack-based buffer overflows in the PVATLCalendar.PVCalendar.1 ActiveX control in pvcalendar.ocx in the scheduler component in the Media Server in Symantec Backup Exec for Windows Server (BEWS) 11d 11.0.6235 and 11.0.7170, and 12.0 12.0.1364, allow remote attackers to execute arbitrary code via a long (1) _DOWText0, (2) _DOWText1, (3) _DOWText2, (4) _DOWText3, (5) _DOWText4, (6) _DOWText5, (7) _DOWText6, (8) _MonthText0, (9) _MonthText1, (10) _MonthText2, (11) _MonthText3, (12) _MonthText4, (13) _MonthText5, (14) _MonthText6, (15) _MonthText7, (16) _MonthText8, (17) _MonthText9, (18) _MonthText10, or (19) _MonthText11 property value when executing the Save method. NOTE: the vendor states "Authenticated user involvement required," but authentication is not needed to attack a client machine that loads this control.

Weakness: CWE-119

Which versions are affected by CVE-2007-6016?

It affects 1 product.

Products include Symantec Backup Exec for Windows Server.

How do I fix CVE-2007-6016?

No fix has been published for CVE-2007-6016 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2007-6016 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2007-6016 exists.

Public exploit code: 1 Metasploit module and 2 Exploit-DB entries.

Sources

Also known as GHSA-q964-x2rc-v787.