Out-of-bounds read in libarchive (Alpine package)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2017-14503 |
| CWE-ID | CWE-125 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
libarchive (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) Out-of-bounds read
EUVDB-ID: #VU15955
Risk: Low
CVSSv3.1: 3.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-14503
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to out-of-bounds read within lha_read_data_none() in archive_read_support_format_lha.c when extracting a specially crafted lha archive. A remote attacker can trigger an out-of-bounds read, related to lha_crc16 and cause the service to crash.
Install update from vendor's website.
Vulnerable software versionslibarchive (Alpine package): 3.3.2-r0 - 3.3.2-r3
External linkshttp://git.alpinelinux.org/aports/commit/?id=44322cf3a8e1a8deb315160c7b52110f0847dfee
http://git.alpinelinux.org/aports/commit/?id=ca47e9328bb9d0a21d18bea8e17a078e23d8fc6c
http://git.alpinelinux.org/aports/commit/?id=e284f33911a902aeeb7e7220cde91133bcf46d43
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.
