NULL pointer dereference in freetype (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2012-5668 |
| CWE-ID | CWE-476 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
freetype (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) NULL pointer dereference
EUVDB-ID: #VU32696
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-2012-5668
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via vectors related to BDF fonts and the improper handling of an "allocation error" in the bdf_free_font function.
MitigationInstall update from vendor's website.
Vulnerable software versionsfreetype (Alpine package): 2.4.2-r0 - 2.4.10-r0
External linkshttp://git.alpinelinux.org/aports/commit/?id=439d36cfdd6ea8973f92ef61838fcfe55d82a897
http://git.alpinelinux.org/aports/commit/?id=303216ea7b9da1c5b244834d6065c35e9418680c
http://git.alpinelinux.org/aports/commit/?id=946bb72faaec08bc5cbddde31ca106f0a9611026
http://git.alpinelinux.org/aports/commit/?id=2759bc59c53966b904d43034459b880cab3f47f7
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.
