Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2012-4502

Published: Nov 05, 2013 | Modified: Apr 11, 2025
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
5 MODERATE
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V3
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2012-4502
CWEhttps://cwe.mitre.org/data/definitions/189.html

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.

Affected Software

NameVendorStart VersionEnd Version
ChronyTuxfamily*1.28 (including)
ChronyTuxfamily1.0 (including)1.0 (including)
ChronyTuxfamily1.1 (including)1.1 (including)
ChronyTuxfamily1.18 (including)1.18 (including)
ChronyTuxfamily1.19 (including)1.19 (including)
ChronyTuxfamily1.19.99.1 (including)1.19.99.1 (including)
ChronyTuxfamily1.19.99.2 (including)1.19.99.2 (including)
ChronyTuxfamily1.19.99.3 (including)1.19.99.3 (including)
ChronyTuxfamily1.20 (including)1.20 (including)
ChronyTuxfamily1.21 (including)1.21 (including)
ChronyTuxfamily1.21-pre1 (including)1.21-pre1 (including)
ChronyTuxfamily1.23 (including)1.23 (including)
ChronyTuxfamily1.23-pre1 (including)1.23-pre1 (including)
ChronyTuxfamily1.23.1 (including)1.23.1 (including)
ChronyTuxfamily1.24 (including)1.24 (including)
ChronyTuxfamily1.24-pre1 (including)1.24-pre1 (including)
ChronyTuxfamily1.25 (including)1.25 (including)
ChronyTuxfamily1.25-pre1 (including)1.25-pre1 (including)
ChronyTuxfamily1.25-pre2 (including)1.25-pre2 (including)
ChronyTuxfamily1.26 (including)1.26 (including)
ChronyTuxfamily1.26-pre1 (including)1.26-pre1 (including)
ChronyTuxfamily1.27 (including)1.27 (including)
ChronyTuxfamily1.27-pre1 (including)1.27-pre1 (including)
ChronyTuxfamily1.28-pre1 (including)1.28-pre1 (including)
ChronyUbuntulucid*
ChronyUbuntuprecise*
ChronyUbuntuquantal*
ChronyUbunturaring*
ChronyUbuntusaucy*
ChronyUbuntuupstream*
ChronyUbuntuutopic*
ChronyUbuntuvivid*
ChronyUbuntuwily*
ChronyUbuntuyakkety*
ChronyUbuntuzesty*

References

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