Vulnerability CVE-2019-9162
Published: 2019-02-25   Modified: 2019-02-26

Description:
In the Linux kernel before 4.20.12, net/ipv4/netfilter/nf_nat_snmp_basic_main.c in the SNMP NAT module has insufficient ASN.1 length checks (aka an array index error), making out-of-bounds read and write operations possible, leading to an OOPS or local privilege escalation. This affects snmp_version and snmp_helper.

Type:

CWE-129

 (Improper Validation of Array Index)

CVSS2 => (AV:L/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.6/10
6.4/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Netapp -> Element software management 
Linux -> Linux kernel 

 References:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c4c07b4d6fa1f11880eab8e076d3d060ef3f55fc
http://www.securityfocus.com/bid/107159
https://bugs.chromium.org/p/project-zero/issues/detail?id=1776
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.25
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.12
https://github.com/torvalds/linux/commit/c4c07b4d6fa1f11880eab8e076d3d060ef3f55fc
https://security.netapp.com/advisory/ntap-20190327-0002/
https://support.f5.com/csp/article/K31864522
https://usn.ubuntu.com/3930-1/
https://usn.ubuntu.com/3930-2/
https://www.exploit-db.com/exploits/46477/
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