Vulnerability Details : CVE-2011-1930
In klibc 1.5.20 and 1.5.21, the DHCP options written by ipconfig to /tmp/net-$DEVICE.conf are not properly escaped. This may allow a remote attacker to send a specially crafted DHCP reply which could execute arbitrary code with the privileges of any process which sources DHCP options.
Vulnerability category: Execute code
Products affected by CVE-2011-1930
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:a:klibc_project:klibc:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2011-1930
3.69%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 92 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-1930
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
10.0
|
HIGH | AV:N/AC:L/Au:N/C:C/I:C/A:C |
10.0
|
10.0
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
References for CVE-2011-1930
-
http://security.gentoo.org/glsa/glsa-201309-21.xml
klibc: Command Injection (GLSA 201309-21) — Gentoo securityThird Party Advisory
-
https://access.redhat.com/security/cve/cve-2011-1930
Red Hat Customer PortalNot Applicable;Third Party Advisory
-
https://security-tracker.debian.org/tracker/CVE-2011-1930
Third Party Advisory
-
http://www.securityfocus.com/bid/47924
klibc DHCP Options Processing Remote Shell Command Execution VulnerabilityThird Party Advisory;VDB Entry
-
http://www.openwall.com/lists/oss-security/2012/05/22/12
oss-security - Re: Re: [klibc] CVE request: klibc: ipconfig sh script with unescaped DHCP optionsMailing List;Third Party Advisory
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