Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
EUVDB-ID: #VU44260
Risk: Low
CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2011-4923
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: No
DescriptionVulnerability allows a remote attacker to perform Cross-site scripting attacks.
An input validation error exists in View.pm in BackupPC 3.0.0, 3.1.0, 3.2.0, 3.2.1, and possibly earlier when processing num parameter in a view action to index.cgi, related to the log file viewer, a different vulnerability than CVE-2011-3361. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
MitigationCybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versionsBackupPC: 3.0.0 - 3.2.1
CPE2.3https://secunia.com/advisories/46615
https://ubuntu.com/usn/usn-1249-1
https://www.openwall.com/lists/oss-security/2011/10/27/8
https://www.openwall.com/lists/oss-security/2012/01/04/15
https://www.securityfocus.com/bid/50406
https://exchange.xforce.ibmcloud.com/vulnerabilities/71030
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU44261
Risk: Low
CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2011-5081
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: No
DescriptionVulnerability allows a remote attacker to perform XSS attacks.
The vulnerability is caused by an input validation error in RestoreFile.pm in BackupPC 3.1.0, 3.2.1, and possibly other earlier versions when processing share parameter in a RestoreFile action to index.cgi. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
MitigationCybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versionsBackupPC: 3.1.0 - 3.2.1
CPE2.3 External linkshttps://seclists.org/bugtraq/2011/Apr/266
https://secunia.com/advisories/44385
https://www.osvdb.org/72055
https://exchange.xforce.ibmcloud.com/vulnerabilities/67170
https://www.htbridge.ch/advisory/multiple_xss_vulnerabilities_in_backuppc.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.