RHSA-2021_4241
Vulnerability from csaf_redhat - Published: 2021-11-09 17:36 - Updated: 2024-11-22 17:07A flaw was found in libtiff. Due to a memory allocation failure in tif_read.c, a crafted TIFF file can lead to an abort, resulting in denial of service.
In LibTIFF, there is a memory malloc failure in tif_pixarlog.c. A crafted TIFF document can lead to an abort, resulting in a remote denial of service attack.
An integer overflow flaw was found in libtiff that exists in the tif_getimage.c file. This flaw allows an attacker to inject and execute arbitrary code when a user opens a crafted TIFF file. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
A heap-based buffer overflow flaw was found in libtiff in the handling of TIFF images in libtiff's TIFF2PDF tool. A specially crafted TIFF file can lead to arbitrary code execution. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
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"text": "The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files.\n\nSecurity Fix(es):\n\n* libtiff: Integer overflow in tif_getimage.c (CVE-2020-35523)\n\n* libtiff: Heap-based buffer overflow in TIFF2PDF tool (CVE-2020-35524)\n\n* libtiff: Memory allocation failure in tiff2rgba (CVE-2020-35521)\n\n* libtiff: Memory allocation failure in tiff2rgba (CVE-2020-35522)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.",
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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{
"category": "impact",
"details": "Low"
}
],
"title": "libtiff: Memory allocation failure in tiff2rgba"
},
{
"cve": "CVE-2020-35522",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"discovery_date": "2020-12-14T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1932037"
}
],
"notes": [
{
"category": "description",
"text": "In LibTIFF, there is a memory malloc failure in tif_pixarlog.c. A crafted TIFF document can lead to an abort, resulting in a remote denial of service attack.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "libtiff: Memory allocation failure in tiff2rgba",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2020-35522"
},
{
"category": "external",
"summary": "RHBZ#1932037",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1932037"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2020-35522",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-35522"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-35522",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-35522"
}
],
"release_date": "2020-12-14T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2021-11-09T17:36:56+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAll running applications linked against libtiff must be restarted for this update to take effect.",
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}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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{
"category": "impact",
"details": "Low"
}
],
"title": "libtiff: Memory allocation failure in tiff2rgba"
},
{
"cve": "CVE-2020-35523",
"cwe": {
"id": "CWE-190",
"name": "Integer Overflow or Wraparound"
},
"discovery_date": "2020-12-14T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1932040"
}
],
"notes": [
{
"category": "description",
"text": "An integer overflow flaw was found in libtiff that exists in the tif_getimage.c file. This flaw allows an attacker to inject and execute arbitrary code when a user opens a crafted TIFF file. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "libtiff: Integer overflow in tif_getimage.c",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2020-35523"
},
{
"category": "external",
"summary": "RHBZ#1932040",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1932040"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2020-35523",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-35523"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-35523",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-35523"
},
{
"category": "external",
"summary": "https://gitlab.com/libtiff/libtiff/-/commit/c8d613ef497058fe653c467fc84c70a62a4a71b2",
"url": "https://gitlab.com/libtiff/libtiff/-/commit/c8d613ef497058fe653c467fc84c70a62a4a71b2"
},
{
"category": "external",
"summary": "https://gitlab.com/libtiff/libtiff/-/merge_requests/160",
"url": "https://gitlab.com/libtiff/libtiff/-/merge_requests/160"
}
],
"release_date": "2020-12-14T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2021-11-09T17:36:56+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAll running applications linked against libtiff must be restarted for this update to take effect.",
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{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
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{
"category": "impact",
"details": "Moderate"
}
],
"title": "libtiff: Integer overflow in tif_getimage.c"
},
{
"cve": "CVE-2020-35524",
"cwe": {
"id": "CWE-787",
"name": "Out-of-bounds Write"
},
"discovery_date": "2020-12-14T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1932044"
}
],
"notes": [
{
"category": "description",
"text": "A heap-based buffer overflow flaw was found in libtiff in the handling of TIFF images in libtiff\u0027s TIFF2PDF tool. A specially crafted TIFF file can lead to arbitrary code execution. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "libtiff: Heap-based buffer overflow in TIFF2PDF tool",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2020-35524"
},
{
"category": "external",
"summary": "RHBZ#1932044",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1932044"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2020-35524",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-35524"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-35524",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-35524"
},
{
"category": "external",
"summary": "https://gitlab.com/libtiff/libtiff/-/merge_requests/159",
"url": "https://gitlab.com/libtiff/libtiff/-/merge_requests/159"
},
{
"category": "external",
"summary": "https://gitlab.com/rzkn/libtiff/-/commit/7be2e452ddcf6d7abca88f41d3761e6edab72b22",
"url": "https://gitlab.com/rzkn/libtiff/-/commit/7be2e452ddcf6d7abca88f41d3761e6edab72b22"
}
],
"release_date": "2020-12-14T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2021-11-09T17:36:56+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAll running applications linked against libtiff must be restarted for this update to take effect.",
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{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
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]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "libtiff: Heap-based buffer overflow in TIFF2PDF tool"
}
]
}
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.