Format string error in BOINC

1) Format string error

EUVDB-ID: #VU41584

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2013-7386

CWE-ID: CWE-134 - Use of Externally-Controlled Format String

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

Format string vulnerability in the PROJECT::write_account_file function in client/cs_account.cpp in BOINC, possibly 7.2.33, allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via format string specifiers in the gui_urls item in an account file.

Mitigation

Install update from vendor's website.

Vulnerable software versions

BOINC: 7.2.33

CPE2.3

• cpe:2.3:a:university_of_california_berkeley:boinc:7.2.33:*:*:*:*:*:*:*

External links

https://boinc.berkeley.edu/gitweb/?p=boinc-v2.git;a=commitdiff;h=99258dcecba8ef36e1ce0fd6e0dacffe53613ac9
https://lists.fedoraproject.org/pipermail/package-announce/2013-December/125125.html
https://lists.fedoraproject.org/pipermail/package-announce/2013-December/125128.html
https://www.openwall.com/lists/oss-security/2013/04/28/3
https://bugzilla.redhat.com/show_bug.cgi?id=957795

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.