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 03:44:17
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.master(115.9.0):不受影响
2.openEuler-20.03-LTS-SP4(79.0):不受影响
3.openEuler-22.03-LTS-SP1(102.15.0):不受影响
4.openEuler-22.03-LTS-SP3(102.15.0):不受影响
5.openEuler-22.03-LTS-SP4(102.15.0):不受影响
6.openEuler-24.03-LTS(115.9.0):不受影响
7.openEuler-24.03-LTS-Next(115.9.0):不受影响

修复是否涉及abi变化(是/否)：
1.master(115.9.0):否
2.openEuler-20.03-LTS-SP4(79.0):否
3.openEuler-22.03-LTS-SP1(102.15.0):否
4.openEuler-22.03-LTS-SP3(102.15.0):否
5.openEuler-22.03-LTS-SP4(102.15.0):否
6.openEuler-24.03-LTS(115.9.0):否
7.openEuler-24.03-LTS-Next(115.9.0):否

原因说明：
1.master(115.9.0):
2.openEuler-20.03-LTS-SP4(79.0):
3.openEuler-22.03-LTS-SP1(102.15.0):
4.openEuler-22.03-LTS-SP3(102.15.0):
5.openEuler-22.03-LTS-SP4(102.15.0):
6.openEuler-24.03-LTS(115.9.0):
7.openEuler-24.03-LTS-Next(115.9.0):

[Find-Patch] 抱歉，当前工具暂未找到推荐补丁，请人工查找或者之后再尝试。
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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

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

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.**

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-SP4: 不受影响
3.openEuler-22.03-LTS-SP1: 不受影响
4.openEuler-22.03-LTS-SP3: 不受影响
5.openEuler-22.03-LTS-SP4: 不受影响
6.openEuler-24.03-LTS: 不受影响
7.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-SP4: 否
3.openEuler-22.03-LTS-SP1: 否
4.openEuler-22.03-LTS-SP3: 否
5.openEuler-22.03-LTS-SP4: 否
6.openEuler-24.03-LTS: 否
7.openEuler-24.03-LTS-Next: 否

原因说明：
1.master: 已修复
2.openEuler-20.03-LTS-SP4: 已修复
3.openEuler-22.03-LTS-SP1: 已修复
4.openEuler-22.03-LTS-SP3: 已修复
5.openEuler-22.03-LTS-SP4: 已修复
6.openEuler-24.03-LTS: 已修复
7.openEuler-24.03-LTS-Next: 已修复

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.master(128.3.0):不受影响
2.openEuler-20.03-LTS-SP4(79.0):不受影响
3.openEuler-22.03-LTS-SP1(102.15.0):不受影响
4.openEuler-22.03-LTS-SP3(102.15.0):不受影响
5.openEuler-22.03-LTS-SP4(102.15.0):不受影响
6.openEuler-24.03-LTS(128.3.0):不受影响
7.openEuler-24.03-LTS-Next(128.3.0):不受影响

修复是否涉及abi变化(是/否)：
1.master(128.3.0):否
2.openEuler-20.03-LTS-SP4(79.0):否
3.openEuler-22.03-LTS-SP1(102.15.0):否
4.openEuler-22.03-LTS-SP3(102.15.0):否
5.openEuler-22.03-LTS-SP4(102.15.0):否
6.openEuler-24.03-LTS(128.3.0):否
7.openEuler-24.03-LTS-Next(128.3.0):否

原因说明：
1.master(128.3.0): 已修复
2.openEuler-20.03-LTS-SP4(79.0): 已修复
3.openEuler-22.03-LTS-SP1(102.15.0): 已修复
4.openEuler-22.03-LTS-SP3(102.15.0): 已修复
5.openEuler-22.03-LTS-SP4(102.15.0): 已修复
6.openEuler-24.03-LTS(128.3.0): 已修复
7.openEuler-24.03-LTS-Next(128.3.0): 已修复

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