Endless recursion in opensc (Alpine package)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2018-16426 |
| CWE-ID | CWE-674 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
opensc (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Endless recursion
EUVDB-ID: #VU16738
Risk: Low
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-2018-16426
CWE-ID:
CWE-674 - Uncontrolled Recursion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to endless recursion when handling responses from an IAS-ECC card in iasecc_select_file in libopensc/card-iasecc.c. A remote unauthenticated attacker can supply specially crafted smartcards to hang or crash the opensc library using programs.
MitigationInstall update from vendor's website.
Vulnerable software versionsopensc (Alpine package): 0.13.0-r0 - 0.17.0-r5
External linkshttp://git.alpinelinux.org/aports/commit/?id=8e9bdc4dd06ce47b8607d404816ebdbcd628cf2c
http://git.alpinelinux.org/aports/commit/?id=8ed91d2a9a7e8d3d7eebcf756173eb64be295118
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.
