CVE-2007-4849
4.4 Medium
CVSS2
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
6.2 Medium
AI Score
Confidence
Low
0.0004 Low
EPSS
Percentile
5.1%
JFFS2, as used on One Laptop Per Child (OLPC) build 542 and possibly other Linux systems, when POSIX ACL support is enabled, does not properly store permissions during (1) inode creation or (2) ACL setting, which might allow local users to access restricted files or directories after a remount of a filesystem, related to “legacy modes” and an inconsistency between dentry permissions and inode permissions.
Affected configurations
References
dev.laptop.org/ticket/2732
git.infradead.org/?p=mtd-2.6.git%3Ba=commitdiff%3Bh=9ed437c50d89eabae763dd422579f73fdebf288d
lists.infradead.org/pipermail/linux-mtd-cvs/2007-August/005897.html
secunia.com/advisories/26978
secunia.com/advisories/28170
secunia.com/advisories/28706
www.debian.org/security/2007/dsa-1378
www.securityfocus.com/bid/25838
www.ubuntu.com/usn/usn-558-1
www.ubuntu.com/usn/usn-574-1
Related
4.4 Medium
CVSS2
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
6.2 Medium
AI Score
Confidence
Low
0.0004 Low
EPSS
Percentile
5.1%