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一、漏洞信息
漏洞编号：CVE-2025-2173
漏洞归属组件：zvbi
漏洞归属的版本：0.2.42,0.2.43
CVSS V3.0分值：
BaseScore：5.3 Medium
Vector：CVSS：3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
漏洞简述：
A vulnerability was found in libzvbi up to 0.2.43. It has been classified as problematic. Affected is the function vbi_strndup_iconv_ucs2 of the file src/conv.c. The manipulation of the argument src_length leads to uninitialized pointer. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.2.44 is able to address this issue. The patch is identified as 8def647eea27f7fd7ad33ff79c2d6d3e39948dce. It is recommended to upgrade the affected component. The code maintainer was informed beforehand about the issues. She reacted very fast and highly professional.
漏洞公开时间：2025-03-11 15:15:36
漏洞创建时间：2025-03-22 21:43:03
漏洞详情参考链接：
https://nvd.nist.gov/vuln/detail/CVE-2025-2173
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 vulnerability was found in libzvbi up to 0.2.43. It has been classified as problematic. Affected is the function vbi_strndup_iconv_ucs2 of the file src/conv.c. The manipulation of the argument src_length leads to uninitialized pointer. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.2.44 is able to address this issue. The patch is identified as 8def647eea27f7fd7ad33ff79c2d6d3e39948dce. It is recommended to upgrade the affected component. The code maintainer was informed beforehand about the issues. She reacted very fast and highly professional.
openEuler评分：
5.3
Vector：CVSS：3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
受影响版本排查(受影响/不受影响)：
1.master(0.2.44):受影响
2.openEuler-20.03-LTS-SP4(0.2.35):受影响
3.openEuler-22.03-LTS-SP3(0.2.44):受影响
4.openEuler-22.03-LTS-SP4(0.2.44):受影响
5.openEuler-24.03-LTS(0.2.44):受影响
6.openEuler-24.03-LTS-Next(0.2.44):受影响
7.openEuler-24.03-LTS-SP1(0.2.44):受影响
修复是否涉及abi变化(是/否)：
1.master(0.2.44):否
2.openEuler-20.03-LTS-SP4(0.2.35):否
3.openEuler-22.03-LTS-SP3(0.2.44):否
4.openEuler-22.03-LTS-SP4(0.2.44):否
5.openEuler-24.03-LTS(0.2.44):否
6.openEuler-24.03-LTS-Next(0.2.44):否
7.openEuler-24.03-LTS-SP1(0.2.44):否
原因说明：
1.master(0.2.44):正常修复
2.openEuler-20.03-LTS-SP4(0.2.35):正常修复
3.openEuler-22.03-LTS-SP3(0.2.44):正常修复
4.openEuler-22.03-LTS-SP4(0.2.44):正常修复
5.openEuler-24.03-LTS(0.2.44):正常修复
6.openEuler-24.03-LTS-Next(0.2.44):正常修复
7.openEuler-24.03-LTS-SP1(0.2.44):正常修复
三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2025-1353
@small_leek ,@yanan-rock ,@t_feng ,@wangxp006 ,@dou33 ,@dwl301 ,@lyn1001 ,@open-bot ,@Lostwayzxc ,@technology208 ,@weidongkl
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), 原因说明)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(0.2.43):
2.openEuler-20.03-LTS-SP4(0.2.35):
3.openEuler-22.03-LTS-SP3(0.2.35):
4.openEuler-22.03-LTS-SP4(0.2.35):
5.openEuler-24.03-LTS(0.2.42):
6.openEuler-24.03-LTS-Next(0.2.42):
7.openEuler-24.03-LTS-SP1(0.2.42):
修复是否涉及abi变化(是/否)：
1.master(0.2.43):
2.openEuler-20.03-LTS-SP4(0.2.35):
3.openEuler-22.03-LTS-SP3(0.2.35):
4.openEuler-22.03-LTS-SP4(0.2.35):
5.openEuler-24.03-LTS(0.2.42):
6.openEuler-24.03-LTS-Next(0.2.42):
7.openEuler-24.03-LTS-SP1(0.2.42):
原因说明：
1.master(0.2.43):
2.openEuler-20.03-LTS-SP4(0.2.35):
3.openEuler-22.03-LTS-SP3(0.2.35):
4.openEuler-22.03-LTS-SP4(0.2.35):
5.openEuler-24.03-LTS(0.2.42):
6.openEuler-24.03-LTS-Next(0.2.42):
7.openEuler-24.03-LTS-SP1(0.2.42):
原因说明填写请参考下方表格(注意：版本是否受影响和版本的原因说明必须对应，例如master版本分支受影响，那原因说明只能是受影响对应的原因之一!)：
| 分支状态 | 原因说明 |
|---|---|
| 受影响 | 正常修复 |
| 受影响 | 暂不修复-漏洞仍在分析中 |
| 受影响 | 暂不修复-暂无解决方案或补丁 |
| 受影响 | 暂不修复-待升级版本修复 |
| 受影响 | 不修复-超出修复范围 |
| 受影响 | 不修复-特殊原因导致不再修复 |
| 不受影响 | 不受影响-组件不存在 |
| 不受影响 | 不受影响-已有内置的内联控制或缓解措施 |
| 不受影响 | 不受影响-漏洞代码不能被攻击者触发 |
| 不受影响 | 不受影响-漏洞代码不在执行路径 |
| 不受影响 | 不受影响-漏洞代码不存在 |
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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| 参考网址 | 关联pr | 状态 | 补丁链接 |
|---|---|---|---|
| https://nvd.nist.gov/vuln/detail/CVE-2025-2173 | None | None | https://github.com/zapping-vbi/zvbi/commit/8def647eea27f7fd7ad33ff79c2d6d3e39948dce |
| https://ubuntu.com/security/CVE-2025-2173 | None | None | https://discourse.ubuntu.com/c/project https://github.com/zapping-vbi/zvbi/commit/ca1672134b3e2962cd392212c73f44f8f4cb489f |
| https://www.opencve.io/cve/CVE-2025-2173 | None | None | https://github.com/zapping-vbi/zvbi/commit/8def647eea27f7fd7ad33ff79c2d6d3e39948dce |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2025-2173 | |||
| https://security-tracker.debian.org/tracker/CVE-2025-2173 | None | None | https://github.com/zapping-vbi/zvbi/commit/8def647eea27f7fd7ad33ff79c2d6d3e39948dce |
| http://www.cnnvd.org.cn/web/vulnerability/queryLds.tag?qcvCnnvdid=CVE-2025-2173 |
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
starlet_dx
22天前
影响性分析说明：
A vulnerability was found in libzvbi up to 0.2.43. It has been classified as problematic. Affected is the function vbi_strndup_iconv_ucs2 of the file src/conv.c. The manipulation of the argument src_length leads to uninitialized pointer. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.2.44 is able to address this issue. The patch is identified as 8def647eea27f7fd7ad33ff79c2d6d3e39948dce. It is recommended to upgrade the affected component. The code maintainer was informed beforehand about the issues. She reacted very fast and highly professional.
openEuler评分：
5.3
Vector：CVSS：3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
受影响版本排查(受影响/不受影响)：
1.master(0.2.43): 受影响
2.openEuler-20.03-LTS-SP4(0.2.35): 受影响
3.openEuler-22.03-LTS-SP3(0.2.35): 受影响
4.openEuler-22.03-LTS-SP4(0.2.35): 受影响
5.openEuler-24.03-LTS(0.2.42): 受影响
6.openEuler-24.03-LTS-Next(0.2.42): 受影响
7.openEuler-24.03-LTS-SP1(0.2.42): 受影响
修复是否涉及abi变化(是/否)：
1.master(0.2.43): 否
2.openEuler-20.03-LTS-SP4(0.2.35): 否
3.openEuler-22.03-LTS-SP3(0.2.35): 否
4.openEuler-22.03-LTS-SP4(0.2.35): 否
5.openEuler-24.03-LTS(0.2.42): 否
6.openEuler-24.03-LTS-Next(0.2.42): 否
7.openEuler-24.03-LTS-SP1(0.2.42): 否
原因说明：
1.master(0.2.43): 正常修复
2.openEuler-20.03-LTS-SP4(0.2.35): 正常修复
3.openEuler-22.03-LTS-SP3(0.2.35): 正常修复
4.openEuler-22.03-LTS-SP4(0.2.35): 正常修复
5.openEuler-24.03-LTS(0.2.42): 正常修复
6.openEuler-24.03-LTS-Next(0.2.42): 正常修复
7.openEuler-24.03-LTS-SP1(0.2.42): 正常修复
@Lostwayzxc 经过 cve-manager 解析, 已分析的内容如下表所示:
| 状态 | 分析项目 | 内容 |
|---|---|---|
| 已分析 | 1.影响性分析说明 | A vulnerability was found in libzvbi up to 0.2.43. It has been classified as problematic. Affected is the function vbi_strndup_iconv_ucs2 of the file src/conv.c. The manipulation of the argument src_length leads to uninitialized pointer. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.2.44 is able to address this issue. The patch is identified as 8def647eea27f7fd7ad33ff79c2d6d3e39948dce. It is recommended to upgrade the affected component. The code maintainer was informed beforehand about the issues. She reacted very fast and highly professional. |
| 已分析 | 2.openEulerScore | 5.3 |
| 已分析 | 3.openEulerVector | AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| 已分析 | 4.受影响版本排查 | master:受影响,openEuler-20.03-LTS-SP4:受影响,openEuler-22.03-LTS-SP3:受影响,openEuler-22.03-LTS-SP4:受影响,openEuler-24.03-LTS:受影响,openEuler-24.03-LTS-Next:受影响,openEuler-24.03-LTS-SP1:受影响 |
| 已分析 | 5.是否涉及abi变化 | master:否,openEuler-20.03-LTS-SP4:否,openEuler-22.03-LTS-SP3:否,openEuler-22.03-LTS-SP4:否,openEuler-24.03-LTS:否,openEuler-24.03-LTS-Next:否,openEuler-24.03-LTS-SP1:否 |
| 已分析 | 6.原因说明 | master:正常修复,openEuler-20.03-LTS-SP4:正常修复,openEuler-22.03-LTS-SP3:正常修复,openEuler-22.03-LTS-SP4:正常修复,openEuler-24.03-LTS:正常修复,openEuler-24.03-LTS-Next:正常修复,openEuler-24.03-LTS-SP1:正常修复 |
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