opensuse-su-2024:12701-1
Vulnerability from csaf_opensuse
Published
2024-06-15 00:00
Modified
2024-06-15 00:00
Summary
gssntlmssp-1.2.0-1.1 on GA media
Notes
Title of the patch
gssntlmssp-1.2.0-1.1 on GA media
Description of the patch
These are all security issues fixed in the gssntlmssp-1.2.0-1.1 package on the GA media of openSUSE Tumbleweed.
Patchnames
openSUSE-Tumbleweed-2024-12701
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
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"text": "GSS-NTLMSSP is a mechglue plugin for the GSSAPI library that implements NTLM authentication. Prior to version 1.2.0, multiple out-of-bounds reads when decoding NTLM fields can trigger a denial of service. A 32-bit integer overflow condition can lead to incorrect checks of consistency of length of internal buffers. Although most applications will error out before accepting a singe input buffer of 4GB in length this could theoretically happen. This vulnerability can be triggered via the main `gss_accept_sec_context` entry point if the application allows tokens greater than 4GB in length. This can lead to a large, up to 65KB, out-of-bounds read which could cause a denial-of-service if it reads from unmapped memory. Version 1.2.0 contains a patch for the out-of-bounds reads.",
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"text": "GSS-NTLMSSP is a mechglue plugin for the GSSAPI library that implements NTLM authentication. Prior to version 1.2.0, memory corruption can be triggered when decoding UTF16 strings. The variable `outlen` was not initialized and could cause writing a zero to an arbitrary place in memory if `ntlm_str_convert()` were to fail, which would leave `outlen` uninitialized. This can lead to a denial of service if the write hits unmapped memory or randomly corrupts a byte in the application memory space. This vulnerability can trigger an out-of-bounds write, leading to memory corruption. This vulnerability can be triggered via the main `gss_accept_sec_context` entry point. This issue is fixed in version 1.2.0.",
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"category": "impact",
"date": "2024-06-15T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2023-25565"
},
{
"cve": "CVE-2023-25566",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2023-25566"
}
],
"notes": [
{
"category": "general",
"text": "GSS-NTLMSSP is a mechglue plugin for the GSSAPI library that implements NTLM authentication. Prior to version 1.2.0, a memory leak can be triggered when parsing usernames which can trigger a denial-of-service. The domain portion of a username may be overridden causing an allocated memory area the size of the domain name to be leaked. An attacker can leak memory via the main `gss_accept_sec_context` entry point, potentially causing a denial-of-service. This issue is fixed in version 1.2.0.\n\n",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
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"openSUSE Tumbleweed:gssntlmssp-1.2.0-1.1.ppc64le",
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"references": [
{
"category": "external",
"summary": "CVE-2023-25566",
"url": "https://www.suse.com/security/cve/CVE-2023-25566"
},
{
"category": "external",
"summary": "SUSE Bug 1208281 for CVE-2023-25566",
"url": "https://bugzilla.suse.com/1208281"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"openSUSE Tumbleweed:gssntlmssp-1.2.0-1.1.aarch64",
"openSUSE Tumbleweed:gssntlmssp-1.2.0-1.1.ppc64le",
"openSUSE Tumbleweed:gssntlmssp-1.2.0-1.1.s390x",
"openSUSE Tumbleweed:gssntlmssp-1.2.0-1.1.x86_64",
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]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.5,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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],
"threats": [
{
"category": "impact",
"date": "2024-06-15T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2023-25566"
},
{
"cve": "CVE-2023-25567",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2023-25567"
}
],
"notes": [
{
"category": "general",
"text": "GSS-NTLMSSP, a mechglue plugin for the GSSAPI library that implements NTLM authentication, has an out-of-bounds read when decoding target information prior to version 1.2.0. The length of the `av_pair` is not checked properly for two of the elements which can trigger an out-of-bound read. The out-of-bounds read can be triggered via the main `gss_accept_sec_context` entry point and could cause a denial-of-service if the memory is unmapped. The issue is fixed in version 1.2.0.",
"title": "CVE description"
}
],
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},
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"summary": "CVE-2023-25567",
"url": "https://www.suse.com/security/cve/CVE-2023-25567"
},
{
"category": "external",
"summary": "SUSE Bug 1208282 for CVE-2023-25567",
"url": "https://bugzilla.suse.com/1208282"
}
],
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{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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}
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"cvss_v3": {
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"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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}
],
"threats": [
{
"category": "impact",
"date": "2024-06-15T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2023-25567"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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