CVE-2011-1930

CRITICAL
9.8
CVSS Score
Published: November 14, 2019 at 02:01 AM UTC
Updated: June 16, 2026 at 11:30 PM UTC
3 products affected across 3 vendorsDebian LinuxKlibcKlibc

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Severity
CRITICAL9.8
Exploit prediction
EPSS 21%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.5.25
Affected range stops below 1.5.25, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

x_refsource_MISCMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2012/05/22/12
x_refsource_MISCThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/47924
x_refsource_MISCNot ApplicableThird Party Advisory
https://access.redhat.com/security/cve/cve-2011-1930

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-Other

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