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CVE-2009-1189

16
FAUCET Score

CVE-2009-1189 describes a vulnerability in D-Bus (freedesktop dbus) versions prior to 1.2.14, where incorrect logic in the _dbus_validate_signature_with_reason function allows remote attackers to spoof a signature using a crafted key. This issue, an incomplete fix for CVE-2008-3834, has a low severity CVSS score of 3.6 (AV:L/AC:L/Au:N/C:N/I:P/A:P), indicating local access, low complexity, and partial impact on integrity and availability. There is no evidence of active exploitation, public exploit code, or significant community discussion, suggesting a low current threat level.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.2.3CPE matchmatch criteria
cpe:2.3:a:freedesktop:dbus:*:*:*:*:*:*:*:*
0.1CPE matchmatch criteria
cpe:2.3:a:freedesktop:dbus:0.1:*:*:*:*:*:*:*
0.2CPE matchmatch criteria
cpe:2.3:a:freedesktop:dbus:0.2:*:*:*:*:*:*:*
0.3CPE matchmatch criteria
cpe:2.3:a:freedesktop:dbus:0.3:*:*:*:*:*:*:*
0.4CPE matchmatch criteria
cpe:2.3:a:freedesktop:dbus:0.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

3.6LOW

AV:L/AC:L/Au:N/C:N/I:P/A:P

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.33%
Probability of exploitation in next 30 days
EPSS Percentile
68.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0133 is in the 94th percentile among its peer group of 2,096 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.6 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: dbus-0:1.1.2-12.el5_4.1
View patch

Vendor Advisories (1)

redhatCVE-2009-1189Moderate

dbus: invalid fix for CVE-2008-3834

Apr 16, 2009

References

bugs.freedesktop.org / show_bug.cgi
Exploit
kb.juniper.net / InfoCenter/index
lists.vmware.com / pipermail/security-announce/2010/000082.html
secunia.com / advisories/32127
Vendor Advisory
secunia.com / advisories/35810
Vendor Advisory
secunia.com / advisories/38794
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/50385
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10308
rhn.redhat.com / errata/RHSA-2010-0095.html
usn.ubuntu.com / 799-1
freedesktop.org / wiki/Software/dbus
PatchVendor Advisory
openwall.com / lists/oss-security/2009/04/16/13
securityfocus.com / bid/31602
Exploit
vupen.com / english/advisories/2010/0528
Vendor Advisory