CVE-2020-16307

一、漏洞信息
漏洞编号：CVE-2020-16307
漏洞归属组件：ghostscript
漏洞归属的版本：9.52,9.55.0,9.56.1
CVSS V3.0分值：
BaseScore：5.5 Medium
Vector：CVSS：3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
漏洞简述：
A null pointer dereference vulnerability in devices/vector/gdevtxtw.c and psi/zbfont.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted postscript file. This is fixed in v9.51.
漏洞公开时间：2020-08-13 11:15:14
漏洞创建时间：2024-08-05 18:39:44
漏洞详情参考链接：
https://nvd.nist.gov/vuln/detail/CVE-2020-16307

更多参考(点击展开)

参考来源	参考链接	来源链接
cve.mitre.org	http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=407c98a38c3a6ac1681144ed45cc2f4fc374c91f
cve.mitre.org	https://bugs.ghostscript.com/show_bug.cgi?id=701822
cve.mitre.org	https://lists.debian.org/debian-lts-announce/2020/08/msg00032.html
cve.mitre.org	https://security.gentoo.org/glsa/202008-20
cve.mitre.org	https://usn.ubuntu.com/4469-1/
cve.mitre.org	https://www.debian.org/security/2020/dsa-4748
redhat_bugzilla	http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=407c98a38c3a6ac1681144ed45cc2f4fc374c91f	https://bugzilla.redhat.com/show_bug.cgi?id=1870162
redhat_bugzilla	https://bugs.ghostscript.com/show_bug.cgi?id=701822	https://bugzilla.redhat.com/show_bug.cgi?id=1870162
redhat_bugzilla	https://access.redhat.com/errata/RHSA-2021:1852	https://bugzilla.redhat.com/show_bug.cgi?id=1870162
redhat_bugzilla	https://access.redhat.com/security/cve/cve-2020-16307	https://bugzilla.redhat.com/show_bug.cgi?id=1870162
ubuntu	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16307	https://ubuntu.com/security/CVE-2020-16307
ubuntu	https://ubuntu.com/security/notices/USN-4469-1	https://ubuntu.com/security/CVE-2020-16307
ubuntu	https://nvd.nist.gov/vuln/detail/CVE-2020-16307	https://ubuntu.com/security/CVE-2020-16307
ubuntu	https://launchpad.net/bugs/cve/CVE-2020-16307	https://ubuntu.com/security/CVE-2020-16307
ubuntu	https://security-tracker.debian.org/tracker/CVE-2020-16307	https://ubuntu.com/security/CVE-2020-16307
ubuntu	https://bugs.ghostscript.com/show_bug.cgi?id=701822	https://ubuntu.com/security/CVE-2020-16307
debian		https://security-tracker.debian.org/tracker/CVE-2020-16307
oracle		https://www.oracle.com/security-alerts/linuxbulletinapr2021.html
gentoo		https://security.gentoo.org/glsa/202008-20
anolis		https://anas.openanolis.cn/cves/detail/CVE-2020-16307
cve_search		https://bugs.ghostscript.com/show_bug.cgi?id=701822
cve_search		http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=407c98a38c3a6ac1681144ed45cc2f4fc374c91f
cve_search		https://lists.debian.org/debian-lts-announce/2020/08/msg00032.html
cve_search		https://www.debian.org/security/2020/dsa-4748
cve_search		https://security.gentoo.org/glsa/202008-20
cve_search		https://usn.ubuntu.com/4469-1/
mageia		http://advisories.mageia.org/MGASA-2020-0344.html
osv	https://bugs.ghostscript.com/show_bug.cgi?id=701822	https://osv.dev/vulnerability/CVE-2020-16307
osv	https://security.gentoo.org/glsa/202008-20	https://osv.dev/vulnerability/CVE-2020-16307
osv	https://www.debian.org/security/2020/dsa-4748	https://osv.dev/vulnerability/CVE-2020-16307
osv	https://lists.debian.org/debian-lts-announce/2020/08/msg00032.html	https://osv.dev/vulnerability/CVE-2020-16307
osv	http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=407c98a38c3a6ac1681144ed45cc2f4fc374c91f	https://osv.dev/vulnerability/CVE-2020-16307
osv	https://usn.ubuntu.com/4469-1/	https://osv.dev/vulnerability/CVE-2020-16307

漏洞分析指导链接：
https://gitee.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md
漏洞数据来源:
openBrain开源漏洞感知系统
漏洞补丁信息：

详情(点击展开)

影响的包	修复补丁	来源
	http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=407c98a38c3a6ac1681144ed45cc2f4fc374c91f	cve.mitre.org
	http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=407c98a38c3a6ac1681144ed45cc2f4fc374c91f	redhat_bugzilla
	http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=407c98a38c3a6ac1681144ed45cc2f4fc374c91f	nvd
	https://bugs.ghostscript.com/show_bug.cgi?id=701822	nvd
	https://lists.debian.org/debian-lts-announce/2020/08/msg00032.html	nvd
	https://security.gentoo.org/glsa/202008-20	nvd
	https://usn.ubuntu.com/4469-1/	nvd
	https://www.debian.org/security/2020/dsa-4748	nvd
ghostscript	https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=407c98a38c3a6ac1681144ed45cc2f4fc374c91f	ubuntu

二、漏洞分析结构反馈
影响性分析说明：
A null pointer dereference vulnerability in devices/vector/gdevtxtw.c and psi/zbfont.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted postscript file. This is fixed in v9.51.
openEuler评分：
5.5
Vector：CVSS：3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
受影响版本排查(受影响/不受影响)：
1.master(9.56.1):不受影响
2.openEuler-20.03-LTS-SP1(9.52):不受影响
3.openEuler-20.03-LTS-SP4(9.52):不受影响
4.openEuler-22.03-LTS(9.55.0):不受影响
5.openEuler-22.03-LTS-SP1(9.55.0):不受影响
6.openEuler-22.03-LTS-SP2(9.55.0):不受影响
7.openEuler-22.03-LTS-SP3(9.55.0):不受影响
8.openEuler-22.03-LTS-SP4(9.55.0):不受影响
9.openEuler-24.03-LTS(9.56.1):不受影响
10.openEuler-24.03-LTS-Next(9.56.1):不受影响

修复是否涉及abi变化(是/否)：
1.master(9.56.1):否
2.openEuler-20.03-LTS-SP1(9.52):否
3.openEuler-20.03-LTS-SP4(9.52):否
4.openEuler-22.03-LTS(9.55.0):否
5.openEuler-22.03-LTS-Next(9.55.0):否
6.openEuler-22.03-LTS-SP1(9.55.0):否
7.openEuler-22.03-LTS-SP2(9.55.0):否
8.openEuler-22.03-LTS-SP3(9.55.0):否
9.openEuler-22.03-LTS-SP4(9.55.0):否
10.openEuler-24.03-LTS(9.56.1):否
11.openEuler-24.03-LTS-Next(9.56.1):否

@xiezhipeng1 ,@licihua ,@zhujianwei001 ,@overweight ,@dillon_chen 
**issue处理注意事项:** 
**1. 当前issue受影响的分支提交pr时, 须在pr描述中填写当前issue编号进行关联, 否则无法关闭当前issue;**
**2. 模板内容需要填写完整, 无论是受影响或者不受影响都需要填写完整内容,未引入的分支不需要填写, 否则无法关闭当前issue;**
**3. 以下为模板中需要填写完整的内容, 请复制到评论区回复, 注: 内容的标题名称(影响性分析说明, openEuler评分, 受影响版本排查(受影响/不受影响), 修复是否涉及abi变化(是/否))不能省略,省略后cve-manager将无法正常解析填写内容.**
************************************************************************
影响性分析说明:

openEuler评分: (评分和向量)

受影响版本排查(受影响/不受影响): 
1.master(9.56.1):
2.openEuler-20.03-LTS-SP4(9.52):
3.openEuler-22.03-LTS-SP1(9.55.0):
4.openEuler-22.03-LTS-SP3(9.55.0):
5.openEuler-22.03-LTS-SP4(9.55.0):
6.openEuler-24.03-LTS(9.56.1):
7.openEuler-24.03-LTS-Next(9.56.1):

修复是否涉及abi变化(是/否)：
1.master(9.56.1):
2.openEuler-20.03-LTS-SP4(9.52):
3.openEuler-22.03-LTS-SP1(9.55.0):
4.openEuler-22.03-LTS-SP3(9.55.0):
5.openEuler-22.03-LTS-SP4(9.55.0):
6.openEuler-24.03-LTS(9.56.1):
7.openEuler-24.03-LTS-Next(9.56.1):

-----------------------------------------------------------------------
issue处理具体操作请参考: 
https://gitee.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md
pr关联issue具体操作请参考:
https://gitee.com/help/articles/4142

参考网址	关联pr	状态	补丁链接
https://nvd.nist.gov/vuln/detail/CVE-2020-16307	None	None	https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=407c98a38c3a6ac1681144ed45cc2f4fc374c91f
https://ubuntu.com/security/CVE-2020-16307
https://www.opencve.io/cve/CVE-2020-16307	None	None	https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=407c98a38c3a6ac1681144ed45cc2f4fc374c91f
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-16307	None	None	https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=407c98a38c3a6ac1681144ed45cc2f4fc374c91f
https://security-tracker.debian.org/tracker/CVE-2020-16307	None	None	https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=af004276fd8f6c305727183c159b83021020f7d6 https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=407c98a38c3a6ac1681144ed45cc2f4fc374c91f; https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=407c98a38c3a6ac1681144ed45cc2f4fc374c91f

说明：补丁链接仅供初步排查参考，实际可用性请人工再次确认，补丁下载验证可使用CVE补丁工具。
若补丁不准确，烦请在此issue下评论 '/report-patch 参考网址补丁链接1,补丁链接2' 反馈正确信息，便于我们不断优化工具，不胜感激。
如 /report-patch https://security-tracker.debian.org/tracker/CVE-2021-3997 https://github.com/systemd/systemd/commit/5b1cf7a9be37e20133c0208005274ce4a5b5c6a1

@ 经过 cve-manager 解析, 已分析的内容如下表所示:

状态	需分析	内容
已分析	1.影响性分析说明	A null pointer dereference vulnerability in devices/vector/gdevtxtw.c and psi/zbfont.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted postscript file. This is fixed in v9.51.
已分析	2.openEulerScore	5.5
已分析	3.openEulerVector	AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
已分析	4.受影响版本排查	master:不受影响,openEuler-20.03-LTS-SP1:不受影响,openEuler-20.03-LTS-SP4:不受影响,openEuler-22.03-LTS:不受影响,openEuler-22.03-LTS-SP1:不受影响,openEuler-22.03-LTS-SP2:不受影响,openEuler-22.03-LTS-SP3:不受影响,openEuler-22.03-LTS-SP3:不受影响,openEuler-24.03-LTS:不受影响,openEuler-24.03-LTS-Next:不受影响
已分析	5.修复是否涉及abi变化	master:否,openEuler-20.03-LTS-SP1:否,openEuler-20.03-LTS-SP4:否,openEuler-22.03-LTS:否,openEuler-22.03-LTS-Next:否,openEuler-22.03-LTS-SP1:否,openEuler-22.03-LTS-SP2:否,openEuler-22.03-LTS-SP3:否,openEuler-22.03-LTS-SP4:否,openEuler-24.03-LTS:否,openEuler-24.03-LTS-Next:否

请确认分析内容的准确性, 确认无误后, 您可以进行后续步骤, 否则您可以继续分析.

影响性分析说明：A null pointer dereference vulnerability in devices/vector/gdevtxtw.c and psi/zbfont.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted postscript file. This is fixed in v9.51.

openEuler评分:
BaseScore：5.5 Medium
Vector：CVSS：3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

受影响版本排查(受影响/不受影响)：
1.master(9.56.1):不受影响
2.openEuler-20.03-LTS-SP1(9.52):不受影响
3.openEuler-20.03-LTS-SP4(9.52):不受影响
4.openEuler-22.03-LTS(9.55.0):不受影响
5.openEuler-22.03-LTS-Next(9.55.0):受不影响
6.openEuler-22.03-LTS-SP1(9.55.0):不受影响
7.openEuler-22.03-LTS-SP2(9.55.0):不受影响
8.openEuler-22.03-LTS-SP3(9.55.0):不受影响
9.openEuler-22.03-LTS-SP4(9.55.0):不受影响
10.openEuler-24.03-LTS:不受影响
11.openEuler-24.03-LTS-Next:不受影响

修复是否涉及abi变化(是/否)：
1.master(9.56.1):否
2.openEuler-20.03-LTS-SP1(9.52):否
3.openEuler-20.03-LTS-SP4(9.52):否
4.openEuler-22.03-LTS(9.55.0):否
5.openEuler-22.03-LTS-Next(9.55.0):否
6.openEuler-22.03-LTS-SP1(9.55.0):否
7.openEuler-22.03-LTS-SP2(9.55.0):否
8.openEuler-22.03-LTS-SP3(9.55.0):否
9.openEuler-22.03-LTS-SP4(9.55.0):否
10.openEuler-24.03-LTS:否
11.openEuler-24.03-LTS-Next:否

@ 经过 cve-manager 解析, 已分析的内容如下表所示:

状态	需分析	内容
已分析	1.影响性分析说明	A null pointer dereference vulnerability in devices/vector/gdevtxtw.c and psi/zbfont.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted postscript file. This is fixed in v9.51.
已分析	2.openEulerScore	5.5
已分析	3.openEulerVector	AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
已分析	4.受影响版本排查	master:不受影响,openEuler-20.03-LTS-SP1:不受影响,openEuler-20.03-LTS-SP4:不受影响,openEuler-22.03-LTS:不受影响,openEuler-22.03-LTS-SP1:不受影响,openEuler-22.03-LTS-SP2:不受影响,openEuler-22.03-LTS-SP3:不受影响,openEuler-22.03-LTS-SP4:不受影响,openEuler-24.03-LTS:不受影响,openEuler-24.03-LTS-Next:不受影响
已分析	5.修复是否涉及abi变化	master:否,openEuler-20.03-LTS-SP1:否,openEuler-20.03-LTS-SP4:否,openEuler-22.03-LTS:否,openEuler-22.03-LTS-Next:否,openEuler-22.03-LTS-SP1:否,openEuler-22.03-LTS-SP2:否,openEuler-22.03-LTS-SP3:否,openEuler-22.03-LTS-SP4:否,openEuler-24.03-LTS:否,openEuler-24.03-LTS-Next:否

请确认分析内容的准确性, 确认无误后, 您可以进行后续步骤, 否则您可以继续分析.

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