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CVE-2021-33641

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CVE和安全问题
Opened this issue  
2022-12-26 20:29

一、漏洞信息
漏洞编号:CVE-2021-33641
漏洞归属组件:byacc
漏洞归属的版本:2.0.20210808
CVSS V3.0分值:
BaseScore:3.3 Low
Vector:CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
漏洞简述:

漏洞公开时间:
漏洞创建时间:2022-12-26 20:29:20
漏洞详情参考链接:
https://nvd.nist.gov/vuln/detail/CVE-2021-33641

更多参考(点击展开)

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:
其它
漏洞补丁信息:

详情(点击展开)

二、漏洞分析结构反馈
影响性分析说明:

byacc在处理文件时经常会malloc存放当前行的数据,在处理注释时,会free掉当前行的数据。在处理注释符结束后,继续处理当前行的下一个语法元素,错误地访问到了已被释放的内存。

openEuler评分:
3.3
Vector:CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
受影响版本排查(受影响/不受影响):
1.openEuler-20.03-LTS-SP1(1.9.20200330):受影响
2.openEuler-20.03-LTS-SP3(1.9.20200330):受影响
3.openEuler-22.03-LTS(2.0.20210808):受影响
4.openEuler-22.03-LTS-SP1(2.0.20210808):受影响

修复是否涉及abi变化(是/否):
1.openEuler-20.03-LTS-SP1(1.9.20200330):否
2.openEuler-20.03-LTS-SP3(1.9.20200330):否
3.openEuler-22.03-LTS(2.0.20210808):否
4.openEuler-22.03-LTS-SP1(2.0.20210808):否

三、漏洞修复
安全公告链接:https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2023-1033

Comments (9)

ZhouPengcheng createdCVE和安全问题

Hi zhoupengcheng11, welcome to the openEuler Community.
I'm the Bot here serving you. You can find the instructions on how to interact with me at Here.
If you have any questions, please contact the SIG: Programming-language, and any of the maintainers: @薄皮小笼包 , @Charlie_Li , @algorithmofdish , @lyn , @caodongxia

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openeuler-ci-bot set deadline to 2023-01-25
openeuler-ci-bot set priority to Unimportant
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CVE/UNFIXED
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@薄皮小笼包 ,@Charlie_Li ,@algorithmofdish ,@lyn ,@caodongxia
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-SP1(1.9.20200330):
2.openEuler-20.03-LTS-SP3(1.9.20200330):
3.openEuler-22.03-LTS(2.0.20210808):

修复是否涉及abi变化(是/否):
1.openEuler-20.03-LTS-SP1(1.9.20200330):
2.openEuler-20.03-LTS-SP3(1.9.20200330):
3.openEuler-22.03-LTS(2.0.20210808):


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

@ZhouPengcheng CVE信息从NVD同步失败, 请稍后重试, 或者数据源不存在.

openeuler-ci-bot changed description
openeuler-ci-bot removed
 
sig/Programming-lang
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openeuler-ci-bot changed description
openeuler-ci-bot changed description
ZhouPengcheng throughsrc-openeuler/byacc Pull Request !23 changed issue state from 待办的 to 已完成
openeuler-ci-bot changed issue state from 已完成 to 待办的

@jinjin ,@缪开波 ,@zhenyu ,@Charlie_Li ,@Alex_Chao ,@small_leek ,@薄皮小笼包 ,@宋宁宁 ,@algorithmofdish ,@Trainey ,@Randy.Wang ,@ultra_planet ,@Monday ,@ZhouPengcheng
关闭issue前,需要将受影响的分支在合并pr时关联上当前issue编号: #I67JU4:CVE-2021-33641
受影响分支: openEuler-20.03-LTS-SP1/openEuler-20.03-LTS-SP3
具体操作参考: https://gitee.com/help/articles/4142

openeuler-ci-bot removed
 
CVE/UNFIXED
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openeuler-ci-bot added
 
CVE/UNFIXED
label
openeuler-ci-bot changed description
openeuler-ci-bot changed description
openeuler-ci-bot changed description
openeuler-ci-bot changed description
openeuler-ci-bot changed description
openeuler-ci-bot changed description
openeuler-ci-bot changed description
openeuler-ci-bot changed description
openeuler-ci-bot changed description
openeuler-ci-bot changed description
ZhouPengcheng throughsrc-openeuler/byacc Pull Request !24 changed issue state from 待办的 to 已完成
openeuler-ci-bot changed issue state from 已完成 to 待办的

@jinjin ,@缪开波 ,@zhenyu ,@Charlie_Li ,@Alex_Chao ,@small_leek ,@薄皮小笼包 ,@宋宁宁 ,@algorithmofdish ,@Trainey ,@Randy.Wang ,@ultra_planet ,@Monday ,@ZhouPengcheng
关闭issue前,需要将受影响的分支在合并pr时关联上当前issue编号: #I67JU4:CVE-2021-33641
受影响分支: openEuler-20.03-LTS-SP1/openEuler-20.03-LTS-SP3/openEuler-22.03-LTS/openEuler-22.03-LTS-SP1
具体操作参考: https://gitee.com/help/articles/4142

openeuler-ci-bot removed
 
CVE/UNFIXED
label
openeuler-ci-bot added
 
CVE/UNFIXED
label
ZhouPengcheng throughsrc-openeuler/byacc Pull Request !26 changed issue state from 待办的 to 已完成
openeuler-ci-bot changed issue state from 已完成 to 待办的

@jinjin ,@缪开波 ,@zhenyu ,@Charlie_Li ,@Alex_Chao ,@small_leek ,@薄皮小笼包 ,@宋宁宁 ,@algorithmofdish ,@Trainey ,@Randy.Wang ,@ultra_planet ,@Monday ,@ZhouPengcheng
关闭issue前,需要将受影响的分支在合并pr时关联上当前issue编号: #I67JU4:CVE-2021-33641
受影响分支: openEuler-20.03-LTS-SP1/openEuler-20.03-LTS-SP3/openEuler-22.03-LTS-SP1
具体操作参考: https://gitee.com/help/articles/4142

openeuler-ci-bot removed
 
CVE/UNFIXED
label
openeuler-ci-bot added
 
CVE/UNFIXED
label
ZhouPengcheng throughsrc-openeuler/byacc Pull Request !27 changed issue state from 待办的 to 已完成
openeuler-ci-bot changed issue state from 已完成 to 待办的

@jinjin ,@缪开波 ,@zhenyu ,@Charlie_Li ,@Alex_Chao ,@small_leek ,@薄皮小笼包 ,@宋宁宁 ,@algorithmofdish ,@Trainey ,@Randy.Wang ,@ultra_planet ,@Monday ,@ZhouPengcheng
关闭issue前,需要将受影响的分支在合并pr时关联上当前issue编号: #I67JU4:CVE-2021-33641
受影响分支: openEuler-20.03-LTS-SP3/openEuler-20.03-LTS-SP1
具体操作参考: https://gitee.com/help/articles/4142

openeuler-ci-bot removed
 
CVE/UNFIXED
label
openeuler-ci-bot added
 
CVE/UNFIXED
label
openeuler-ci-bot changed description
ZhouPengcheng throughsrc-openeuler/byacc Pull Request !25 changed issue state from 待办的 to 已完成
openeuler-ci-bot changed issue state from 已完成 to 待办的
openeuler-ci-bot removed
 
CVE/UNFIXED
label
openeuler-ci-bot added
 
CVE/UNFIXED
label

对应CVE修复补丁已合入,issue完成

openeuler-sync-bot throughsrc-openeuler/byacc Pull Request !28 changed issue state from 待办的 to 已完成
ZhouPengcheng changed issue state from 待办的 to 已完成
openeuler-ci-bot removed
 
CVE/UNFIXED
label
openeuler-ci-bot added
 
CVE/FIXED
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