Improper input validation in ncurses (Alpine package)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2017-13729 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
ncurses (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) Improper input validation
EUVDB-ID: #VU12196
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-2017-13729
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in the _nc_save_str function in alloc_entry.c due to an illegal address access. A remote attacker can cause the service to crash.
Install update from vendor's website.
Vulnerable software versionsncurses (Alpine package): 6.0-r7
External linkshttp://git.alpinelinux.org/aports/commit/?id=a3baab138582d2f05cff25bc57995344dbc1b0ff
http://git.alpinelinux.org/aports/commit/?id=cad65ab77415d76bbebc9f85a856881bb86ce00b
http://git.alpinelinux.org/aports/commit/?id=4c29d05978cca4e21591316f0aed86a256628564
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.
