CVE-2021-29946

一、漏洞信息
漏洞编号：CVE-2021-29946
漏洞归属组件：firefox
漏洞归属的版本：62.0.3,79.0
CVSS V3.0分值：
BaseScore：8.8 High
Vector：CVSS：3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
漏洞简述：
Ports that were written as an integer overflow above the bounds of a 16-bit integer could have bypassed port blocking restrictions when used in the Alt-Svc header. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
漏洞公开时间：2021-06-24 22:15
漏洞创建时间：2021-09-26 11:44:17
漏洞详情参考链接：
https://nvd.nist.gov/vuln/detail/CVE-2021-29946

更多参考(点击展开)

参考来源	参考链接	来源链接
MISC	https://www.mozilla.org/security/advisories/mfsa2021-15/
MISC	https://www.mozilla.org/security/advisories/mfsa2021-16/
MISC	https://www.mozilla.org/security/advisories/mfsa2021-14/
MISC	https://bugzilla.mozilla.org/show_bug.cgi?id=1698503
redhat	https://access.redhat.com/security/cve/CVE-2021-29946
mozilla	https://www.mozilla.org/security/advisories/mfsa2021-15/
mozilla	https://www.mozilla.org/security/advisories/mfsa2021-16/
mozilla	https://www.mozilla.org/security/advisories/mfsa2021-14/
bugzilla	https://bugzilla.mozilla.org/show_bug.cgi?id=1698503

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)

无

二、漏洞分析结构反馈
影响性分析说明：
Ports that were written as an integer overflow above the bounds of a 16-bit integer could have bypassed port blocking restrictions when used in the Alt-Svc header. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
openEuler评分：
8.8
Vector：CVSS：3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
受影响版本排查(受影响/不受影响)：
1.openEuler-20.03-LTS-SP1(79.0):受影响
2.openEuler-20.03-LTS-SP4(79.0):受影响
3.openEuler-22.03-LTS(102.11.0):受影响
4.openEuler-22.03-LTS-SP1(102.11.0):受影响
5.master(100.0.2):不受影响
6.openEuler-22.03-LTS-Next(102.11.0):不受影响
7.openEuler-22.03-LTS-SP2(102.11.0):不受影响
8.openEuler-22.03-LTS-SP3(102.15.0):不受影响
9.openEuler-24.03-LTS:不受影响
10.openEuler-24.03-LTS-Next:不受影响

修复是否涉及abi变化(是/否)：
1.master(100.0.2):否
2.openEuler-20.03-LTS-SP1(79.0):否
3.openEuler-20.03-LTS-SP4(79.0):否
4.openEuler-22.03-LTS(102.11.0):否
5.openEuler-22.03-LTS-Next(102.11.0):否
6.openEuler-22.03-LTS-SP1(102.11.0):否
7.openEuler-22.03-LTS-SP2(102.11.0):否
8.openEuler-22.03-LTS-SP3(102.15.0):否
9.openEuler-24.03-LTS:否
10.openEuler-24.03-LTS-Next:否

@惊奇脆片饼干 ,@BigSkySea ,@Alex_Chao ,@small_leek ,@jimmy_hero ,@朱春意
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.openEuler-20.03-LTS(62.0.3):
2.openEuler-20.03-LTS-SP1:
3.openEuler-20.03-LTS-SP2:

修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS(62.0.3):
2.openEuler-20.03-LTS-SP1:
3.openEuler-20.03-LTS-SP2:

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

Hi openeuler-ci-bot, welcome to the openEuler Community.
I'm the Bot here serving you. You can find the instructions on how to interact with me at
https://gitee.com/openeuler/community/blob/master/en/sig-infrastructure/command.md.
If you have any questions, please contact the SIG: Application, and any of the maintainers: @惊奇脆片饼干, @jimmy_hero, @朱春意, @Alex_Chao, @wx897463, @BigSkySea, @small_leek.

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需升级解决，已备案遗留，暂时挂起

根据NVD的描述，此漏洞影响的版本为firefox<88，master，21.09，SP1,SP2，21.03，Next分支版本为79.0，20.03LTS分支版本为62.0.3，需升级解决，已备案遗留，暂时挂起

@xu_ping 请确认分支: openEuler-20.03-LTS-SP1,openEuler-20.03-LTS-SP3,openEuler-22.03-LTS,openEuler-22.03-LTS-SP1 受影响/不受影响.
请确认分支信息是否填写完整,否则将无法关闭当前issue.

影响性分析说明：
Ports that were written as an integer overflow above the bounds of a 16-bit integer could have bypassed port blocking restrictions when used in the Alt-Svc header. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

受影响版本排查(受影响/不受影响)：
1.openEuler-20.03-LTS-SP1(79.0): 受影响
2.openEuler-20.03-LTS-SP3(79.0): 受影响
3.openEuler-22.03-LTS(79.0): 受影响
4.openEuler-22.03-LTS-SP1(79.0): 受影响

修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP1(79.0): 是
2.openEuler-20.03-LTS-SP3(79.0): 是
3.openEuler-22.03-LTS(79.0): 是
4.openEuler-22.03-LTS-SP1(79.0): 是

@small_leek 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	Ports that were written as an integer overflow above the bounds of a 16-bit integer could have bypassed port blocking restrictions when used in the Alt-Svc header. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
已分析	2.openEulerScore	8.8
已分析	3.openEulerVector	AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
已分析	4.受影响版本排查	openEuler-20.03-LTS-SP1:受影响,openEuler-20.03-LTS-SP3:受影响,openEuler-22.03-LTS:受影响,openEuler-22.03-LTS-SP1:受影响
已分析	5.修复是否涉及abi变化	openEuler-20.03-LTS-SP1:是,openEuler-20.03-LTS-SP3:是,openEuler-22.03-LTS:是,openEuler-22.03-LTS-SP1:是

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.

@lvfei 请确认分支: master,openEuler-20.03-LTS-SP4,openEuler-22.03-LTS-Next,openEuler-22.03-LTS-SP2,openEuler-22.03-LTS-SP3,openEuler-24.03-LTS,openEuler-24.03-LTS-Next 受影响/不受影响.
请确认分支信息是否填写完整,否则将无法关闭当前issue.

@openeuler-sync-bot 请确认分支: master,openEuler-20.03-LTS-SP4,openEuler-22.03-LTS-Next,openEuler-22.03-LTS-SP2,openEuler-22.03-LTS-SP3,openEuler-24.03-LTS,openEuler-24.03-LTS-Next 受影响/不受影响.
请确认分支信息是否填写完整,否则将无法关闭当前issue.

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

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

@small_leek 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	Ports that were written as an integer overflow above the bounds of a 16-bit integer could have bypassed port blocking restrictions when used in the Alt-Svc header. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
已分析	2.openEulerScore	8.8
已分析	3.openEulerVector	AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
已分析	4.受影响版本排查	openEuler-20.03-LTS-SP1:受影响,openEuler-20.03-LTS-SP4:受影响,openEuler-22.03-LTS:受影响,openEuler-22.03-LTS-SP1:受影响,master:不受影响,openEuler-22.03-LTS-Next:不受影响,openEuler-22.03-LTS-SP2: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-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.

src-openEuler / firefox

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src-openEuler / firefox .gitee-modal { width: 500px !important; }

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CVE-2021-29946

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