Input validation error in expat (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2016-5300 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
expat (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Input validation error
EUVDB-ID: #VU32074
Risk: Medium
CVSSv3.1: 6.5 [AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-5300
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows context-dependent attackers to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (CPU consumption) via crafted identifiers in an XML document.
MitigationInstall update from vendor's website.
Vulnerable software versionsexpat (Alpine package): 2.1.1-r1
External linkshttp://git.alpinelinux.org/aports/commit/?id=3398d0ddc84d9ea72d7d1148f3b2d6f68fcc3fb9
http://git.alpinelinux.org/aports/commit/?id=cf9050ddbc5aa756ba9d85f58bd9a2ab28141a61
http://git.alpinelinux.org/aports/commit/?id=f601fbb6d0b7568c0b3c2c9e59c19d57bb89c6a4
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.
