Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2019-19221 |
CWE-ID | CWE-125 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software |
libarchive (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.
EUVDB-ID: #VU22931
Risk: Medium
CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2019-19221
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in "archive_wstring_append_from_mbs" in "archive_string.c" because of an incorrect "mbrtowc" or "mbtowc" call. A remote attacker can create a specially crafted archive file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.
MitigationInstall update from vendor's website.
Vulnerable software versionslibarchive (Alpine package): 3.0.2-r0 - 3.3.3-r1
CPE2.3https://git.alpinelinux.org/aports/commit/?id=506fdf8e27ee0848f75064cf565b15e53f894446
https://git.alpinelinux.org/aports/commit/?id=ba6aa5f82728e1979741c480f72c2f355662ad6d
https://git.alpinelinux.org/aports/commit/?id=e5273f8295397832bf69ffe39f1004a73f5e0436
https://git.alpinelinux.org/aports/commit/?id=02b0001e987edf632c25303d284508c6e8702a16
https://git.alpinelinux.org/aports/commit/?id=05f80bc8c49760714cad169f99ea7962086e3048
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.