CVE-2017-2625

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Source
https://cve.org/CVERecord?id=CVE-2017-2625
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-2625.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2017-2625
Downstream
ALPINE (1)
BELL (1)
DEBIAN (1)
MGASA (1)
openSUSE (1)
RHSA (1)
SUSE (3)
UBUNTU (1)
Related
openSUSE (1)
SUSE (3)
Published
2018-07-27T18:29:00Z
Modified
2026-09-29T11:45:50Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

It was discovered that libXdmcp before 1.1.2 including used weak entropy to generate session keys. On a multi-user system using xdmcp, a local attacker could potentially use information available from the process list to brute force the key, allowing them to hijack other users' sessions.

Database specific 
{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "introduced": "7.0"
                },
                {
                    "last_affected": "7.0"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "redhat:enterprise_linux"
        },
        {
            "cpes": [
                "cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "introduced": "7.0"
                },
                {
                    "last_affected": "7.0"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "redhat:enterprise_linux_desktop"
        },
        {
            "cpes": [
                "cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "introduced": "7.0"
                },
                {
                    "last_affected": "7.0"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "redhat:enterprise_linux_server"
        },
        {
            "cpes": [
                "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "introduced": "7.4"
                },
                {
                    "last_affected": "7.4"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "redhat:enterprise_linux_server_aus"
        },
        {
            "cpes": [
                "cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*",
                "cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "introduced": "7.4"
                },
                {
                    "last_affected": "7.4"
                },
                {
                    "introduced": "7.5"
                },
                {
                    "last_affected": "7.5"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "redhat:enterprise_linux_server_eus"
        },
        {
            "cpes": [
                "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "introduced": "7.0"
                },
                {
                    "last_affected": "7.0"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "redhat:enterprise_linux_workstation"
        }
    ]
}
References

Affected packages

Git / gitlab.freedesktop.org/xorg/lib/libxdmcp

Affected ranges

Type
GIT
Repo
https://gitlab.freedesktop.org/xorg/lib/libxdmcp
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
0c09444d276fbf46a0e8b427a4f6a325d0625742
Database specific
Show details 
{
    "cpe": "cpe:2.3:a:x.org:libxdmcp:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.1.2"
        }
    ],
    "source": "CPE_RANGE"
}

Affected versions

Other
MODULAR_COPY
PRE_xf86-4_3_0_1
XACE-SELINUX-MERGE
XORG-6_7_99_1
XORG-6_7_99_2
XORG-6_7_99_901
XORG-6_7_99_902
XORG-6_7_99_903
XORG-6_7_99_904
XORG-6_8_0
XORG-6_8_1
XORG-6_8_1_901
XORG-6_8_1_902
XORG-6_8_1_903
XORG-6_8_1_904
XORG-6_8_2
XORG-6_8_99_1
XORG-6_8_99_10
XORG-6_8_99_11
XORG-6_8_99_12
XORG-6_8_99_13
XORG-6_8_99_14
XORG-6_8_99_15
XORG-6_8_99_16
XORG-6_8_99_2
XORG-6_8_99_3
XORG-6_8_99_4
XORG-6_8_99_5
XORG-6_8_99_6
XORG-6_8_99_7
XORG-6_8_99_8
XORG-6_8_99_9
XORG-6_8_99_900
XORG-6_8_99_901
XORG-6_8_99_902
XORG-6_8_99_903
XORG-6_99_99_900
XORG-6_99_99_901
XORG-6_99_99_902
XORG-6_99_99_903
XORG-6_99_99_904
XORG-7_0
XORG-7_0_99_901
XORG-7_1
XORG-MAIN
lg3d-base
lg3d-rel-0-6-2
lg3d-rel-0-7-0
libXdmcp-1_0_1
rel-0-6-1
sco_port_update-base
xf86-012804-2330
xf86-4_3_0_1
xf86-4_3_99_16
xf86-4_3_99_901
xf86-4_3_99_902
xf86-4_3_99_903
xf86-4_3_99_903_special
xf86-4_4_0
xf86-4_4_99_1
libXdmcp-1.*
libXdmcp-1.0.2
libXdmcp-1.0.3
libXdmcp-1.1.0
libXdmcp-1.1.1

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-2625.json"