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一、漏洞信息
漏洞编号：CVE-2024-31081
漏洞归属组件：xorg-x11-server-xwayland
漏洞归属的版本：22.1.2
CVSS V3.0分值：
BaseScore：7.3 High
Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
漏洞简述：
A heap-based buffer over-read vulnerability was found in the X.org server s ProcXIPassiveGrabDevice() function. This issue occurs when byte-swapped length values are used in replies, potentially leading to memory leakage and segmentation faults, particularly when triggered by a client with a different endianness. This vulnerability could be exploited by an attacker to cause the X server to read heap memory values and then transmit them back to the client until encountering an unmapped page, resulting in a crash. Despite the attacker s inability to control the specific memory copied into the replies, the small length values typically stored in a 32-bit integer can result in significant attempted out-of-bounds reads.
漏洞公开时间：2024-04-04 22:15:10
漏洞创建时间：2024-04-04 21:50:32
漏洞详情参考链接：
https://nvd.nist.gov/vuln/detail/CVE-2024-31081
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：
二、漏洞分析结构反馈
影响性分析说明：
A heap-based buffer over-read vulnerability was found in the X.org server s ProcXIPassiveGrabDevice() function. This issue occurs when byte-swapped length values are used in replies, potentially leading to memory leakage and segmentation faults, particularly when triggered by a client with a different endianness. This vulnerability could be exploited by an attacker to cause the X server to read heap memory values and then transmit them back to the client until encountering an unmapped page, resulting in a crash. Despite the attacker s inability to control the specific memory copied into the replies, the small length values typically stored in a 32-bit integer can result in significant attempted out-of-bounds reads.
openEuler评分：
7.3
Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
受影响版本排查(受影响/不受影响)：
1.master(22.1.2):受影响
2.openEuler-22.03-LTS(22.1.2):受影响
3.openEuler-22.03-LTS-Next(22.1.2):受影响
4.openEuler-22.03-LTS-SP1(22.1.2):受影响
5.openEuler-22.03-LTS-SP2(22.1.2):受影响
6.openEuler-22.03-LTS-SP3(22.1.2):受影响
7.openEuler-24.03-LTS:受影响
8.openEuler-24.03-LTS-Next:受影响
9.openEuler-20.03-LTS-SP1:不受影响
10.openEuler-20.03-LTS-SP4:不受影响
修复是否涉及abi变化(是/否)：
1.master(22.1.2):否
2.openEuler-20.03-LTS-SP1:否
3.openEuler-20.03-LTS-SP4:否
4.openEuler-22.03-LTS(22.1.2):否
5.openEuler-22.03-LTS-Next(22.1.2):否
6.openEuler-22.03-LTS-SP1(22.1.2):否
7.openEuler-22.03-LTS-SP2(22.1.2):否
8.openEuler-22.03-LTS-SP3(22.1.2):否
9.openEuler-24.03-LTS:否
10.openEuler-24.03-LTS-Next:否
三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2024-1557
@small_leek ,@yanan-rock ,@t.feng ,@Randy.Wang ,@wenlongd ,@weidongkl ,@douyan ,@weijin-deng ,@丈青山 ,@open-bot ,@Lostway
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(22.1.2):
2.openEuler-20.03-LTS-SP1:
3.openEuler-20.03-LTS-SP4:
4.openEuler-22.03-LTS(22.1.2):
5.openEuler-22.03-LTS-Next(22.1.2):
6.openEuler-22.03-LTS-SP1(22.1.2):
7.openEuler-22.03-LTS-SP2(22.1.2):
8.openEuler-22.03-LTS-SP3(22.1.2):
9.openEuler-24.03-LTS:
10.openEuler-24.03-LTS-Next:
修复是否涉及abi变化(是/否)：
1.master(22.1.2):
2.openEuler-20.03-LTS-SP1:
3.openEuler-20.03-LTS-SP4:
4.openEuler-22.03-LTS(22.1.2):
5.openEuler-22.03-LTS-Next(22.1.2):
6.openEuler-22.03-LTS-SP1(22.1.2):
7.openEuler-22.03-LTS-SP2(22.1.2):
8.openEuler-22.03-LTS-SP3(22.1.2):
9.openEuler-24.03-LTS:
10.openEuler-24.03-LTS-Next:
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
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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 Here.
If you have any questions, please contact the SIG: Desktop, and any of the maintainers: @small_leek , @yanan-rock , @t.feng , @Randy.Wang , @wenlongd , @weidongkl , @douyan , @weijin-deng , @丈青山 , @open-bot , @Lostway
| 参考网址 | 关联pr | 状态 | 补丁链接 |
|---|---|---|---|
| https://nvd.nist.gov/vuln/detail/CVE-2024-31081 | |||
| https://ubuntu.com/security/CVE-2024-31081 | None | None | https://discourse.ubuntu.com/c/ubuntu-pro |
| https://www.opencve.io/cve/CVE-2024-31081 | |||
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2024-31081 | |||
| https://security-tracker.debian.org/tracker/CVE-2024-31081 | None | None | https://gitlab.freedesktop.org/xorg/xserver/-/commit/3e77295f888c67fc7645db5d0c00926a29ffecee |
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
@cenhuilin 请确认分支: master,openEuler-20.03-LTS-SP1,openEuler-20.03-LTS-SP4,openEuler-22.03-LTS,openEuler-22.03-LTS-Next,openEuler-22.03-LTS-SP1,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.
@cenhuilin 请确认分支: master,openEuler-20.03-LTS-SP1,openEuler-20.03-LTS-SP4,openEuler-22.03-LTS,openEuler-22.03-LTS-Next,openEuler-22.03-LTS-SP1,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.
影响性分析说明：
A heap-based buffer over-read vulnerability was found in the X.org server s ProcXIPassiveGrabDevice() function. This issue occurs when byte-swapped length values are used in replies, potentially leading to memory leakage and segmentation faults, particularly when triggered by a client with a different endianness. This vulnerability could be exploited by an attacker to cause the X server to read heap memory values and then transmit them back to the client until encountering an unmapped page, resulting in a crash. Despite the attacker s inability to control the specific memory copied into the replies, the small length values typically stored in a 32-bit integer can result in significant attempted out-of-bounds reads.
openEuler评分：
7.3
Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
受影响版本排查(受影响/不受影响)：
1.master(23.2.4):受影响
2.openEuler-20.03-LTS-SP1:不受影响
3.openEuler-20.03-LTS-SP4:不受影响
4.openEuler-22.03-LTS(22.1.2):受影响
5.openEuler-22.03-LTS-Next(22.1.2):受影响
6.openEuler-22.03-LTS-SP1(22.1.2):受影响
7.openEuler-22.03-LTS-SP2(22.1.2):受影响
8.openEuler-22.03-LTS-SP3(22.1.2):受影响
9.openEuler-24.03-LTS(22.1.2):受影响
10.openEuler-24.03-LTS-Next(22.1.2):受影响
修复是否涉及abi变化(是/否)：
1.master(23.2.4):否
2.openEuler-20.03-LTS-SP1:否
3.openEuler-20.03-LTS-SP4:否
4.openEuler-22.03-LTS(22.1.2):否
5.openEuler-22.03-LTS-Next(22.1.2):否
6.openEuler-22.03-LTS-SP1(22.1.2):否
7.openEuler-22.03-LTS-SP2(22.1.2):否
8.openEuler-22.03-LTS-SP3(22.1.2):否
9.openEuler-24.03-LTS(22.1.2):否
10.openEuler-24.03-LTS-Next(22.1.2):否
@Lostway 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 heap-based buffer over-read vulnerability was found in the X.org server s ProcXIPassiveGrabDevice() function. This issue occurs when byte-swapped length values are used in replies, potentially leading to memory leakage and segmentation faults, particularly when triggered by a client with a different endianness. This vulnerability could be exploited by an attacker to cause the X server to read heap memory values and then transmit them back to the client until encountering an unmapped page, resulting in a crash. Despite the attacker s inability to control the specific memory copied into the replies, the small length values typically stored in a 32-bit integer can result in significant attempted out-of-bounds reads. |
| 已分析 | 2.openEulerScore | 7.3 |
| 已分析 | 3.openEulerVector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H |
| 已分析 | 4.受影响版本排查 | master:受影响,openEuler-22.03-LTS:受影响,openEuler-22.03-LTS-Next:受影响,openEuler-22.03-LTS-SP1:受影响,openEuler-22.03-LTS-SP2:受影响,openEuler-22.03-LTS-SP3:受影响,openEuler-24.03-LTS:受影响,openEuler-24.03-LTS-Next:受影响,openEuler-20.03-LTS-SP1:不受影响,openEuler-20.03-LTS-SP4: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.
@openeuler-sync-bot
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: #I9E4N7:CVE-2024-31081
受影响分支: openEuler-24.03-LTS-Next/openEuler-22.03-LTS/openEuler-22.03-LTS-Next/openEuler-22.03-LTS-SP1/openEuler-22.03-LTS-SP2
具体操作参考: https://gitee.com/help/articles/4142
@openeuler-sync-bot
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: #I9E4N7:CVE-2024-31081
受影响分支: openEuler-22.03-LTS-SP1/openEuler-22.03-LTS-SP2/openEuler-24.03-LTS-Next/openEuler-22.03-LTS-Next
具体操作参考: https://gitee.com/help/articles/4142
@openeuler-sync-bot
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: #I9E4N7:CVE-2024-31081
受影响分支: openEuler-22.03-LTS-SP1
具体操作参考: https://gitee.com/help/articles/4142
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