HIGH
openssh falls back to the trusted x11 cookie if generation of an untrusted cookie fails
Published Sep 12, 2007
7.5
HIGHCVSS 2.0
EPSS 2.37%
Description
ssh in OpenSSH before 4.7 does not properly handle when an untrusted cookie cannot be created and uses a trusted X11 cookie instead, which allows attackers to violate intended policy and gain privileges by causing an X client to be treated as trusted.
Affected products
No data.
OR
- ≤ 4.6
- 4.0
- 4.0p1
- 4.1
- 4.1p1
- 4.2
- 4.2p1
- 4.3
- 4.3p1
- 4.3p2
- 4.4
- 4.4p1
- 4.5
No data.
Red Hat Enterprise Linux 4
openssh-0:3.9p1-11.el4_7
Fixed · RHSA-2008:0855
Red Hat Enterprise Linux 4.5 Z Stream
openssh-0:3.9p1-10.RHEL4.20
Fixed · RHSA-2008:0855
Red Hat Enterprise Linux 5
openssh-0:4.3p2-26.el5_2.1
Fixed · RHSA-2008:0855
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | openssh-0:3.9p1-11.el4_7 | Fixed | RHSA-2008:0855 |
| Red Hat Enterprise Linux 4.5 Z Stream | openssh-0:3.9p1-10.RHEL4.20 | Fixed | RHSA-2008:0855 |
| Red Hat Enterprise Linux 5 | openssh-0:4.3p2-26.el5_2.1 | Fixed | RHSA-2008:0855 |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the OpenSSH packages as distributed with Red Hat Enterprise Linux 2.1 or 3, as they do not support Trusted X11 forwarding.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.37% 0.02374
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02374
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.37% (0.02374) | 83.23th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.37% (0.02374) | 81.59th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.37% (0.02369) | 83.52th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.98% (0.05979) | 84.03th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.37% (0.02369) | 83.85th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.98% (0.01979) | 89.26th | v3 (v2023.03.01) |
| Jul 16, 2024 | 2.21% (0.02211) | 89.59th | v3 (v2023.03.01) |
| Jun 8, 2024 | 2.28% (0.02283) | 89.65th | v3 (v2023.03.01) |
| May 1, 2024 | 2.19% (0.02188) | 89.29th | v3 (v2023.03.01) |
| Feb 14, 2024 | 2.10% (0.02103) | 88.78th | v3 (v2023.03.01) |
| Sep 17, 2023 | 1.87% (0.01871) | 87.00th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.36% (0.01361) | 84.11th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
Weaknesses (1)
References (34)
- http://bugs.gentoo.org/show_bug.cgi?id=191321 x_refsource_CONFIRM
- http://docs.info.apple.com/article.html?artnum=307562 x_refsource_CONFIRM
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01271085 vendor-advisoryx_refsource_HP
- http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html vendor-advisoryx_refsource_APPLE
- http://lists.opensuse.org/opensuse-security-announce/2007-10/msg00008.html vendor-advisoryx_refsource_SUSE
- http://secunia.com/advisories/27399 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/29420 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/30249 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/31575 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/32241 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-200711-02.xml vendor-advisoryx_refsource_GENTOO
- http://securityreason.com/securityalert/3126 third-party-advisoryx_refsource_SREASON
- http://support.avaya.com/elmodocs2/security/ASA-2008-399.htm x_refsource_CONFIRM
- http://www.debian.org/security/2008/dsa-1576 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:236 vendor-advisoryx_refsource_MANDRIVA
- http://www.openssh.com/txt/release-4.7 x_refsource_CONFIRM
- http://www.redhat.com/support/errata/RHSA-2008-0855.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/archive/1/479760/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/483748/100/200/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/25628 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/usn-566-1 vendor-advisoryx_refsource_UBUNTU
- http://www.vupen.com/english/advisories/2007/3156 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2008/0924/references vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2008/2821 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2007-4752 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=280361 Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=280471 x_refsource_MISC
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36637 vdb-entryx_refsource_XF
- https://issues.rpath.com/browse/RPL-1706 x_refsource_CONFIRMPatch
- https://nvd.nist.gov/vuln/detail/CVE-2007-4752
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10809 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5599 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2007-4752
- https://www.redhat.com/archives/fedora-package-announce/2007-October/msg00214.html vendor-advisoryx_refsource_FEDORA
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Sep 12, 2007
Updated Aug 7, 2024
Reserved Sep 7, 2007
Link CVE-2007-4752
CISA Vulnrichment
Updated n/a