CVE-2009-0846

The asn1_decode_generaltime function in lib/krb5/asn.1/asn1_decode.c in the ASN.1 GeneralizedTime decoder in MIT Kerberos 5 (aka krb5) before 1.6.4 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via vectors involving an invalid DER encoding that triggers a free of an uninitialized pointer.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
10 UNKNOWN
NETWORK
LOW
AV:N/AC:L/Au:N/C:C/I:C/A:C
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 95%
VendorProductVersion
mitkerberos_5
𝑥
< 1.6.4
canonicalubuntu_linux
6.06
canonicalubuntu_linux
7.10
canonicalubuntu_linux
8.04
canonicalubuntu_linux
8.10
applemac_os_x
𝑥
< 10.5.7
redhatenterprise_linux
4.0
redhatenterprise_linux_desktop
3.0
redhatenterprise_linux_desktop
4.0
redhatenterprise_linux_eus
4.7
redhatenterprise_linux_server
2.0
redhatenterprise_linux_server
3.0
redhatenterprise_linux_server
4.0
redhatenterprise_linux_workstation
2.0
redhatenterprise_linux_workstation
3.0
redhatenterprise_linux_workstation
4.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
krb5
bullseye (security)
1.18.3-6+deb11u5
fixed
bullseye
1.18.3-6+deb11u5
fixed
bookworm
1.20.1-2+deb12u2
fixed
bookworm (security)
1.20.1-2+deb12u2
fixed
sid
1.21.3-3
fixed
trixie
1.21.3-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
krb5
intrepid
Fixed 1.6.dfsg.4~beta1-3ubuntu0.1
released
hardy
Fixed 1.6.dfsg.3~beta1-2ubuntu1.1
released
gutsy
Fixed 1.6.dfsg.1-7ubuntu0.2
released
dapper
Fixed 1.4.3-5ubuntu0.8
released
References