Input validation error in containerd (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2019-17596 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
go (Alpine package) Operating systems & Components / Operating system package or component containerd (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.
1) Input validation error
EUVDB-ID: #VU22020
Risk: Medium
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-2019-17596
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of DSA public keys in crypto/x509.Verify. A remote attacker can pass a specially crafted X.509 certificate chain to the application and perform a denial of service attack.
Install update from vendor's website.
Vulnerable software versionsgo (Alpine package): 1.12.6-r0 - 1.13.4-r2
containerd (Alpine package): 1.3.0-r0 - 1.3.2-r1
CPE2.3- cpe:2.3:o:alpine:go_alpine_package:1.13.2-r0:*:*:*:*:alpine_linux:*:
- cpe:2.3:o:alpine:go_alpine_package:1.13.3-r0:*:*:*:*:alpine_linux:*:
- cpe:2.3:o:alpine:go_alpine_package:1.13.3-r1:*:*:*:*:alpine_linux:*:
- cpe:2.3:o:alpine:containerd_alpine_package:1.3.2-r0:*:*:*:*:alpine_linux:*:
- cpe:2.3:o:alpine:containerd_alpine_package:1.3.0-r0:*:*:*:*:alpine_linux:*:
- cpe:2.3:o:alpine:containerd_alpine_package:1.3.2-r1:*:*:*:*:alpine_linux:*:
http://git.alpinelinux.org/aports/commit/?id=573b7537c7e1ab2732007a1d026a913613ca2d03
http://git.alpinelinux.org/aports/commit/?id=17caf1ca31bcf51f92d7f466d287824869ec3f25
http://git.alpinelinux.org/aports/commit/?id=c64d2552678a7126d5e1d18ac54ea0ee126298d9
http://git.alpinelinux.org/aports/commit/?id=c325c4cf49fc80b50d1eac10a708571fe54dd4a0
http://git.alpinelinux.org/aports/commit/?id=3b2d519d19eed612aeaf0a62ee9003e23cbe7c2f
http://git.alpinelinux.org/aports/commit/?id=d7b13c44a74649bc533f1d55da1a08319da4cfe4
http://git.alpinelinux.org/aports/commit/?id=971e4b11222464f77b1bb47c32f4f1c83cd89d86
http://git.alpinelinux.org/aports/commit/?id=3eda71ae2f9197704bc3b59f8ab7563f81cefb4d
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.
