Use-after-free in webkit2gtk (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2019-8681 |
| CWE-ID | CWE-416 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
webkit2gtk (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) Use-after-free
EUVDB-ID: #VU20911
Risk: Medium
CVSSv3.1: 4.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-8681
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the "InlineBox" renderer method. A remote attacker can trick a victim to visit a malicious page or open a malicious file and execute arbitrary code in the context of the current process.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionswebkit2gtk (Alpine package): 2.22.4-r0 - 2.26.4-r0
External linkshttp://git.alpinelinux.org/aports/commit/?id=0e2731f051905b883dcd7a4267d8c63026b20f91
http://git.alpinelinux.org/aports/commit/?id=19abb7bb2c68ae9ed87a81bec158fd16f08cab97
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.
