Double Free in OpenSLP

1) Double Free

EUVDB-ID: #VU38023

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2015-5177

CWE-ID: CWE-415 - Double Free

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

Double free vulnerability in the SLPDKnownDAAdd function in slpd/slpd_knownda.c in OpenSLP 1.2.1 allows remote attackers to cause a denial of service (crash) via a crafted package.

Mitigation

Install update from vendor's website.

Vulnerable software versions

OpenSLP: 1.2.1

Debian Linux: 1.2.1 - 8.0

CPE2.3

• cpe:2.3:a:openslp_org:openslp:1.2.1:*:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:1.2.1:*:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

External links

https://sourceforge.net/p/openslp/mercurial/ci/2bc15d0494f886d9c4fe342d23bc160605aea51d/
https://www.securityfocus.com/bid/76635
https://www.securitytracker.com/id/1033719
https://bugzilla.redhat.com/show_bug.cgi?id=1251064
https://www.debian.org/security/2015/dsa-3353

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.