5

CVE-2012-4502

Multiple integer overflows in pktlength.c in Chrony before 1.29 allow remote attackers to cause a denial of service (crash) via a crafted (1) REQ_SUBNETS_ACCESSED or (2) REQ_CLIENT_ACCESSES command request to the PKL_CommandLength function or crafted (3) RPY_SUBNETS_ACCESSED, (4) RPY_CLIENT_ACCESSES, (5) RPY_CLIENT_ACCESSES_BY_INDEX, or (6) RPY_MANUAL_LIST command reply to the PKL_ReplyLength function, which triggers an out-of-bounds read or buffer overflow.  NOTE: versions 1.27 and 1.28 do not require authentication to exploit.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Tuxfamily ≫ Chrony Version <= 1.28
Tuxfamily ≫ Chrony Version1.0
Tuxfamily ≫ Chrony Version1.1
Tuxfamily ≫ Chrony Version1.18
Tuxfamily ≫ Chrony Version1.19
Tuxfamily ≫ Chrony Version1.19.99.1
Tuxfamily ≫ Chrony Version1.19.99.2
Tuxfamily ≫ Chrony Version1.19.99.3
Tuxfamily ≫ Chrony Version1.20
Tuxfamily ≫ Chrony Version1.21
Tuxfamily ≫ Chrony Version1.21 Updatepre1
Tuxfamily ≫ Chrony Version1.23
Tuxfamily ≫ Chrony Version1.23 Updatepre1
Tuxfamily ≫ Chrony Version1.23.1
Tuxfamily ≫ Chrony Version1.24
Tuxfamily ≫ Chrony Version1.24 Updatepre1
Tuxfamily ≫ Chrony Version1.25
Tuxfamily ≫ Chrony Version1.25 Updatepre1
Tuxfamily ≫ Chrony Version1.25 Updatepre2
Tuxfamily ≫ Chrony Version1.26
Tuxfamily ≫ Chrony Version1.26 Updatepre1
Tuxfamily ≫ Chrony Version1.27
Tuxfamily ≫ Chrony Version1.27 Updatepre1
Tuxfamily ≫ Chrony Version1.28 Updatepre1
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 3.27% 0.868
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
Es wurden noch keine Informationen zu CWE veröffentlicht.
http://git.tuxfamily.org/chrony/chrony.git/?p=chrony/chrony.git%3Ba=commitdiff%3Bh=7712455d9aa33d0db0945effaa07e900b85987b1
http://permalink.gmane.org/gmane.comp.time.chrony.announce/15
Patch
Vendor Advisory
http://seclists.org/oss-sec/2013/q3/332
Patch
http://www.debian.org/security/2013/dsa-2760
https://bugzilla.redhat.com/show_bug.cgi?id=846392
Patch