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CVE-2008-4996

Date: November 7, 2008

init in initramfs-tools 0.92f allows local users to overwrite arbitrary files via a symlink attack on the /tmp/initramfs.debug temporary file. NOTE: the vendor disputes this vulnerability, stating that "init is [used in] a single-user context; there's no possibility that this is exploitable.

Severity Score

Related Resources (6)

http://bugs.debian.org/496386
http://www.openwall.com/lists/oss-security/2008/10/30/2
http://dev.gentoo.org/~rbu/security/debiantemp/initramfs-tools
https://bugs.gentoo.org/show_bug.cgi?id=235770
https://nvd.nist.gov/vuln/detail/CVE-2008-4996
https://www.mend.io/vulnerability-database/CVE-2008-4996

Severity Score

Weakness Type (CWE)

Improper Link Resolution Before File Access ('Link Following')

CWE-59

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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