Buffer overflow in Libxml2
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2017-7376 |
| CWE-ID | CWE-119 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
Libxml2 Universal components / Libraries / Libraries used by multiple products |
| Vendor | Gnome Development Team |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Buffer overflow
EUVDB-ID: #VU31350
Risk: High
CVSSv3.1: 8.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2017-7376
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: Yes
DescriptionThe vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
Buffer overflow in libxml2 allows remote attackers to execute arbitrary code by leveraging an incorrect limit for port values when handling redirects.
MitigationInstall update from vendor's website.
Vulnerable software versionsLibxml2: 2.9.0 - 2.9.4-16-g0741801
External linkshttp://www.securityfocus.com/bid/98877
http://www.securitytracker.com/id/1038623
http://android.googlesource.com/platform/external/libxml2/+/51e0cb2e5ec18eaf6fb331bc573ff27b743898f4
http://bugzilla.redhat.com/show_bug.cgi?id=1462216
http://git.gnome.org/browse/libxml2/commit/?id=5dca9eea1bd4263bfa4d037ab2443de1cd730f7e
http://source.android.com/security/bulletin/2017-06-01
http://www.debian.org/security/2017/dsa-3952
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. However, proof of concept for this vulnerability is available.
