Incorrect calculation in libseccomp (Alpine package)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2019-9893 |
| CWE-ID | CWE-682 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
libseccomp (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) Incorrect calculation
EUVDB-ID: #VU18322
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-2019-9893
CWE-ID:
CWE-682 - Incorrect Calculation
Exploit availability: No
DescriptionThe vulnerability allows a local user to bypass certain security restrictions.
The vulnerability exists due to incorrect 64-bit syscall argument comparison when using arithmetic operators, such as LT, GT, LE, or GE. A local user can bypass seccomp filters and gain elevated privileges on the system.
MitigationInstall update from vendor's website.
Vulnerable software versionslibseccomp (Alpine package): 2.3.3-r1
libseccomp (Alpine package):
External linkshttp://git.alpinelinux.org/aports/commit/?id=bc5bdeaee9133ca6c5ef9268c842fc09e5bb573e
http://git.alpinelinux.org/aports/commit/?id=f94bff9e1a79ee759e1f036f8acc02f63fcff6a8
http://git.alpinelinux.org/aports/commit/?id=9092d9ca814a141dbcee7a97070ff4bd93f78e10
http://git.alpinelinux.org/aports/commit/?id=aa251917a923821de5ed0a20dabdb1a44f2adc00
http://git.alpinelinux.org/aports/commit/?id=d7288e99061f0ea9be587cba5712912f10de33f9
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.
