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CVE-2020-5496 (GCVE-0-2020-5496)
Vulnerability from cvelistv5 – Published: 2020-01-03 00:00 – Updated: 2024-08-04 08:30
VLAI
EPSS
Summary
FontForge 20190801 has a heap-based buffer overflow in the Type2NotDefSplines() function in splinesave.c.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/fontforge/fontforge/issues/4085 | |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisory |
| https://security.gentoo.org/glsa/202004-14 | vendor-advisory |
| https://lists.debian.org/debian-lts-announce/2024… | mailing-list |
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CNVD-2020-01920
Vulnerability from cnvd - Published: 2020-01-13
VLAI
Title
FontForge缓冲区溢出漏洞(CNVD-2020-01920)
Description
FontForge是一款开源的支持多种语言的字体编辑工具。
FontForge 20190801版本中的splinesave.c文件的‘Type2NotDefSplines()’函数存在缓冲区溢出漏洞。该漏洞源于网络系统或产品在内存上执行操作时,未正确验证数据边界,导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。
Severity
中
Formal description
目前厂商尚未提供相关漏洞补丁链接,请关注厂商主页随时更新: http://fontforge.github.io/
Reference
https://github.com/fontforge/fontforge/issues/4085
Impacted products
| Name | FontForge FontForge 20190801 |
|---|
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"description": "FontForge\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u652f\u6301\u591a\u79cd\u8bed\u8a00\u7684\u5b57\u4f53\u7f16\u8f91\u5de5\u5177\u3002\n\nFontForge 20190801\u7248\u672c\u4e2d\u7684splinesave.c\u6587\u4ef6\u7684\u2018Type2NotDefSplines()\u2019\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5728\u5185\u5b58\u4e0a\u6267\u884c\u64cd\u4f5c\u65f6\uff0c\u672a\u6b63\u786e\u9a8c\u8bc1\u6570\u636e\u8fb9\u754c\uff0c\u5bfc\u81f4\u5411\u5173\u8054\u7684\u5176\u4ed6\u5185\u5b58\u4f4d\u7f6e\u4e0a\u6267\u884c\u4e86\u9519\u8bef\u7684\u8bfb\u5199\u64cd\u4f5c\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u6216\u5806\u6ea2\u51fa\u7b49\u3002",
"formalWay": "\u76ee\u524d\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u76f8\u5173\u6f0f\u6d1e\u8865\u4e01\u94fe\u63a5\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u968f\u65f6\u66f4\u65b0\uff1a\r\nhttp://fontforge.github.io/",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2020-01920",
"openTime": "2020-01-13",
"products": {
"product": "FontForge FontForge 20190801"
},
"referenceLink": "https://github.com/fontforge/fontforge/issues/4085",
"serverity": "\u4e2d",
"submitTime": "2020-01-07",
"title": "FontForge\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2020-01920\uff09"
}
FKIE_CVE-2020-5496
Vulnerability from fkie_nvd - Published: 2020-01-03 22:15 - Updated: 2024-11-21 05:34
Severity
Summary
FontForge 20190801 has a heap-based buffer overflow in the Type2NotDefSplines() function in splinesave.c.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00041.html | Third Party Advisory | |
| cve@mitre.org | https://github.com/fontforge/fontforge/issues/4085 | Exploit, Issue Tracking, Third Party Advisory | |
| cve@mitre.org | https://lists.debian.org/debian-lts-announce/2024/03/msg00007.html | ||
| cve@mitre.org | https://security.gentoo.org/glsa/202004-14 | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00041.html | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/fontforge/fontforge/issues/4085 | Exploit, Issue Tracking, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.debian.org/debian-lts-announce/2024/03/msg00007.html | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://security.gentoo.org/glsa/202004-14 | Third Party Advisory |
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GHSA-V4HC-3Q2Q-94JP
Vulnerability from github – Published: 2022-05-24 17:05 – Updated: 2024-03-08 03:31
VLAI
Details
FontForge 20190801 has a heap-based buffer overflow in the Type2NotDefSplines() function in splinesave.c.
Severity
8.8 (High)
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"id": "GHSA-v4hc-3q2q-94jp",
"modified": "2024-03-08T03:31:23Z",
"published": "2022-05-24T17:05:33Z",
"references": [
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"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-5496"
},
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},
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"url": "https://security.gentoo.org/glsa/202004-14"
},
{
"type": "WEB",
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GSD-2020-5496
Vulnerability from gsd - Updated: 2023-12-13 01:22Details
FontForge 20190801 has a heap-based buffer overflow in the Type2NotDefSplines() function in splinesave.c.
Aliases
Aliases
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OPENSUSE-SU-2020:0089-1
Vulnerability from csaf_opensuse - Published: 2020-01-21 19:10 - Updated: 2020-01-21 19:10Summary
Security update for fontforge
Severity
Moderate
Notes
Title of the patch: Security update for fontforge
Description of the patch: This update for fontforge fixes the following issues:
- CVE-2020-5395: Fixed a use-after-free in SFD_GetFontMetaData() (bsc#1160220).
- CVE-2020-5496: Fixed a heap-based buffer overflow in Type2NotDefSplines() (bsc#1160236).
This update was imported from the SUSE:SLE-15:Update update project.
Patchnames: openSUSE-2020-89
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
5.4 (Medium)
Affected products
Recommended
5 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: openSUSE Leap 15.1:fontforge-20170731-lp151.4.3.1.i586 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 15.1:fontforge-20170731-lp151.4.3.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 15.1:fontforge-devel-20170731-lp151.4.3.1.i586 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 15.1:fontforge-devel-20170731-lp151.4.3.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 15.1:fontforge-doc-20170731-lp151.4.3.1.noarch | — |
Vendor Fix
|
Threats
Impact
moderate
5.4 (Medium)
Affected products
Recommended
5 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: openSUSE Leap 15.1:fontforge-20170731-lp151.4.3.1.i586 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 15.1:fontforge-20170731-lp151.4.3.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 15.1:fontforge-devel-20170731-lp151.4.3.1.i586 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 15.1:fontforge-devel-20170731-lp151.4.3.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 15.1:fontforge-doc-20170731-lp151.4.3.1.noarch | — |
Vendor Fix
|
Threats
Impact
moderate
References
13 references
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},
"products": [
"openSUSE Leap 15.1:fontforge-20170731-lp151.4.3.1.i586",
"openSUSE Leap 15.1:fontforge-20170731-lp151.4.3.1.x86_64",
"openSUSE Leap 15.1:fontforge-devel-20170731-lp151.4.3.1.i586",
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}
],
"threats": [
{
"category": "impact",
"date": "2020-01-21T19:10:58Z",
"details": "moderate"
}
],
"title": "CVE-2020-5496"
}
]
}
SUSE-SU-2020:0393-1
Vulnerability from csaf_suse - Published: 2020-02-18 12:08 - Updated: 2020-02-18 12:08Summary
Security update for fontforge
Severity
Moderate
Notes
Title of the patch: Security update for fontforge
Description of the patch: This update for fontforge fixes the following issues:
- CVE-2020-5395: Fixed a use-after-free in SFD_GetFontMetaData() (bsc#1160220).
- CVE-2020-5496: Fixed a heap-based buffer overflow in Type2NotDefSplines() (bsc#1160236).
Patchnames: SUSE-2020-393,SUSE-SLE-SDK-12-SP4-2020-393,SUSE-SLE-SDK-12-SP5-2020-393
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
5.4 (Medium)
Affected products
Recommended
8 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Linux Enterprise Software Development Kit 12 SP4:fontforge-20170731-11.11.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Software Development Kit 12 SP4:fontforge-20170731-11.11.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Software Development Kit 12 SP4:fontforge-20170731-11.11.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Software Development Kit 12 SP4:fontforge-20170731-11.11.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Software Development Kit 12 SP5:fontforge-20170731-11.11.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Software Development Kit 12 SP5:fontforge-20170731-11.11.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Software Development Kit 12 SP5:fontforge-20170731-11.11.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Software Development Kit 12 SP5:fontforge-20170731-11.11.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
moderate
5.4 (Medium)
Affected products
Recommended
8 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Linux Enterprise Software Development Kit 12 SP4:fontforge-20170731-11.11.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Software Development Kit 12 SP4:fontforge-20170731-11.11.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Software Development Kit 12 SP4:fontforge-20170731-11.11.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Software Development Kit 12 SP4:fontforge-20170731-11.11.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Software Development Kit 12 SP5:fontforge-20170731-11.11.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Software Development Kit 12 SP5:fontforge-20170731-11.11.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Software Development Kit 12 SP5:fontforge-20170731-11.11.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Software Development Kit 12 SP5:fontforge-20170731-11.11.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
moderate
References
13 references
{
"document": {
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"namespace": "https://www.suse.com/support/security/rating/",
"text": "moderate"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright 2024 SUSE LLC. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "Security update for fontforge",
"title": "Title of the patch"
},
{
"category": "description",
"text": "This update for fontforge fixes the following issues:\n\n- CVE-2020-5395: Fixed a use-after-free in SFD_GetFontMetaData() (bsc#1160220).\n- CVE-2020-5496: Fixed a heap-based buffer overflow in Type2NotDefSplines() (bsc#1160236).\n",
"title": "Description of the patch"
},
{
"category": "details",
"text": "SUSE-2020-393,SUSE-SLE-SDK-12-SP4-2020-393,SUSE-SLE-SDK-12-SP5-2020-393",
"title": "Patchnames"
},
{
"category": "legal_disclaimer",
"text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
"title": "Terms of use"
}
],
"publisher": {
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"contact_details": "https://www.suse.com/support/security/contact/",
"name": "SUSE Product Security Team",
"namespace": "https://www.suse.com/"
},
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"category": "external",
"summary": "SUSE ratings",
"url": "https://www.suse.com/support/security/rating/"
},
{
"category": "self",
"summary": "URL of this CSAF notice",
"url": "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2020_0393-1.json"
},
{
"category": "self",
"summary": "URL for SUSE-SU-2020:0393-1",
"url": "https://www.suse.com/support/update/announcement/2020/suse-su-20200393-1/"
},
{
"category": "self",
"summary": "E-Mail link for SUSE-SU-2020:0393-1",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2020-February/006489.html"
},
{
"category": "self",
"summary": "SUSE Bug 1160220",
"url": "https://bugzilla.suse.com/1160220"
},
{
"category": "self",
"summary": "SUSE Bug 1160236",
"url": "https://bugzilla.suse.com/1160236"
},
{
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"url": "https://www.suse.com/security/cve/CVE-2020-5395/"
},
{
"category": "self",
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"url": "https://www.suse.com/security/cve/CVE-2020-5496/"
}
],
"title": "Security update for fontforge",
"tracking": {
"current_release_date": "2020-02-18T12:08:37Z",
"generator": {
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"engine": {
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}
},
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"initial_release_date": "2020-02-18T12:08:37Z",
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"vulnerabilities": [
{
"cve": "CVE-2020-5395",
"ids": [
{
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"text": "https://www.suse.com/security/cve/CVE-2020-5395"
}
],
"notes": [
{
"category": "general",
"text": "FontForge 20190801 has a use-after-free in SFD_GetFontMetaData in sfd.c.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
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"SUSE Linux Enterprise Software Development Kit 12 SP4:fontforge-20170731-11.11.1.ppc64le",
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]
},
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},
{
"category": "external",
"summary": "SUSE Bug 1160220 for CVE-2020-5395",
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},
{
"category": "external",
"summary": "SUSE Bug 1178308 for CVE-2020-5395",
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}
],
"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": [
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"SUSE Linux Enterprise Software Development Kit 12 SP4:fontforge-20170731-11.11.1.ppc64le",
"SUSE Linux Enterprise Software Development Kit 12 SP4:fontforge-20170731-11.11.1.s390x",
"SUSE Linux Enterprise Software Development Kit 12 SP4:fontforge-20170731-11.11.1.x86_64",
"SUSE Linux Enterprise Software Development Kit 12 SP5:fontforge-20170731-11.11.1.aarch64",
"SUSE Linux Enterprise Software Development Kit 12 SP5:fontforge-20170731-11.11.1.ppc64le",
"SUSE Linux Enterprise Software Development Kit 12 SP5:fontforge-20170731-11.11.1.s390x",
"SUSE Linux Enterprise Software Development Kit 12 SP5:fontforge-20170731-11.11.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
},
"products": [
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"SUSE Linux Enterprise Software Development Kit 12 SP4:fontforge-20170731-11.11.1.ppc64le",
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]
}
],
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"date": "2020-02-18T12:08:37Z",
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},
{
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"ids": [
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"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2020-5496"
}
],
"notes": [
{
"category": "general",
"text": "FontForge 20190801 has a heap-based buffer overflow in the Type2NotDefSplines() function in splinesave.c.",
"title": "CVE description"
}
],
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},
{
"category": "external",
"summary": "SUSE Bug 1160236 for CVE-2020-5496",
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],
"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": [
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"SUSE Linux Enterprise Software Development Kit 12 SP4:fontforge-20170731-11.11.1.s390x",
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"SUSE Linux Enterprise Software Development Kit 12 SP5:fontforge-20170731-11.11.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L",
"version": "3.1"
},
"products": [
"SUSE Linux Enterprise Software Development Kit 12 SP4:fontforge-20170731-11.11.1.aarch64",
"SUSE Linux Enterprise Software Development Kit 12 SP4:fontforge-20170731-11.11.1.ppc64le",
"SUSE Linux Enterprise Software Development Kit 12 SP4:fontforge-20170731-11.11.1.s390x",
"SUSE Linux Enterprise Software Development Kit 12 SP4:fontforge-20170731-11.11.1.x86_64",
"SUSE Linux Enterprise Software Development Kit 12 SP5:fontforge-20170731-11.11.1.aarch64",
"SUSE Linux Enterprise Software Development Kit 12 SP5:fontforge-20170731-11.11.1.ppc64le",
"SUSE Linux Enterprise Software Development Kit 12 SP5:fontforge-20170731-11.11.1.s390x",
"SUSE Linux Enterprise Software Development Kit 12 SP5:fontforge-20170731-11.11.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2020-02-18T12:08:37Z",
"details": "moderate"
}
],
"title": "CVE-2020-5496"
}
]
}
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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.
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