Input validation error in libreswan
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2013-7294 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
libreswan Universal components / Libraries / Libraries used by multiple products |
| Vendor | libreswan.org |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Input validation error
EUVDB-ID: #VU42149
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2013-7294
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to perform service disruption.
The ikev2parent_inI1outR1 function in pluto/ikev2_parent.c in libreswan before 3.7 allows remote attackers to cause a denial of service (restart) via an IKEv2 I1 notification without a KE payload.
MitigationInstall update from vendor's website.
Vulnerable software versionslibreswan: 3.0 - 3.5
External linkshttp://secunia.com/advisories/56276
http://secunia.com/advisories/56915
http://www.osvdb.org/101573
http://github.com/libreswan/libreswan/commit/2899351224fe2940aec37d7656e1e392c0fe07f0
http://lists.libreswan.org/pipermail/swan-announce/2013/000007.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.
