Cryptographic issues in libexpat expat
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2012-6702 |
| CWE-ID | CWE-310 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
expat Universal components / Libraries / Libraries used by multiple products |
| Vendor | libexpat.org |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Cryptographic issues
EUVDB-ID: #VU33052
Risk: Medium
CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2012-6702
CWE-ID:
CWE-310 - Cryptographic Issues
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to manipulate data.
Expat, when used in a parser that has not called XML_SetHashSalt or passed it a seed of 0, makes it easier for context-dependent attackers to defeat cryptographic protection mechanisms via vectors involving use of the srand function.
MitigationInstall update from vendor's website.
Vulnerable software versionsexpat: 2.0.0 - 2.1.1
External linkshttp://www.debian.org/security/2016/dsa-3597
http://www.openwall.com/lists/oss-security/2016/06/03/8
http://www.openwall.com/lists/oss-security/2016/06/04/1
http://www.securityfocus.com/bid/91483
http://www.ubuntu.com/usn/USN-3010-1
http://security.gentoo.org/glsa/201701-21
http://source.android.com/security/bulletin/2016-11-01.html
http://www.tenable.com/security/tns-2016-20
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.
