CVE-2012-4502
Published: 5 November 2013
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.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
chrony Launchpad, Ubuntu, Debian |
artful |
Not vulnerable
|
| lucid |
Ignored
(end of life)
|
|
| precise |
Ignored
(end of life)
|
|
| quantal |
Ignored
(end of life)
|
|
| raring |
Ignored
(end of life)
|
|
| saucy |
Ignored
(end of life)
|
|
| trusty |
Not vulnerable
(1.29-1)
|
|
| upstream |
Released
(1.29)
|
|
| utopic |
Ignored
(end of life)
|
|
| vivid |
Ignored
(end of life)
|
|
| wily |
Ignored
(end of life)
|
|
| xenial |
Not vulnerable
|
|
| yakkety |
Ignored
(end of life)
|
|
| zesty |
Ignored
(end of life)
|