CVE-2010-2023

2010-06-0717:12:48

Debian Security Bug Tracker

security-tracker.debian.org

CVSS2

4.4

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:M/Au:N/C:P/I:P/A:P

EPSS

Percentile

10.1%

JSON

transports/appendfile.c in Exim before 4.72, when a world-writable sticky-bit mail directory is used, does not verify the st_nlink field of mailbox files, which allows local users to cause a denial of service or possibly gain privileges by creating a hard link to another user’s file.

OSVersionArchitecturePackageVersionFilename
Debian12allexim4< 4.72-1exim4_4.72-1_all.deb
Debian11allexim4< 4.72-1exim4_4.72-1_all.deb
Debian999allexim4< 4.72-1exim4_4.72-1_all.deb
Debian13allexim4< 4.72-1exim4_4.72-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	exim4	< 4.72-1	exim4_4.72-1_all.deb
Debian	11	all	exim4	< 4.72-1	exim4_4.72-1_all.deb
Debian	999	all	exim4	< 4.72-1	exim4_4.72-1_all.deb
Debian	13	all	exim4	< 4.72-1	exim4_4.72-1_all.deb