CVE-2023-50782

一、漏洞信息
漏洞编号：CVE-2023-50782
漏洞归属组件：python-cryptography
漏洞归属的版本：2.9.2,3.0,3.3.1,3.4.7,35.0.0,36.0.1,38.0.2,39.0.0,40.0.2,42.0.2
CVSS V3.0分值：
BaseScore：7.5 High
Vector：CVSS：3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
漏洞简述：
A flaw was found in the python-cryptography package. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data.
漏洞公开时间：2024-02-06 05:15:11
漏洞创建时间：2023-12-14 06:40:55
漏洞详情参考链接：
https://nvd.nist.gov/vuln/detail/CVE-2023-50782

更多参考(点击展开)

参考来源	参考链接	来源链接
secalert.redhat.com	https://access.redhat.com/security/cve/CVE-2023-50782
secalert.redhat.com	https://bugzilla.redhat.com/show_bug.cgi?id=2254432
secalert.redhat.com	https://www.couchbase.com/alerts/
suse_bugzilla	https://github.com/pyca/cryptography/issues/9785	https://bugzilla.suse.com/show_bug.cgi?id=1218043
suse_bugzilla	https://people.redhat.com/~hkario/marvin/	https://bugzilla.suse.com/show_bug.cgi?id=1218043
suse_bugzilla	https://github.com/openssl/openssl/pull/13817	https://bugzilla.suse.com/show_bug.cgi?id=1218043
suse_bugzilla	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-50782	https://bugzilla.suse.com/show_bug.cgi?id=1218043
redhat_bugzilla	https://github.com/pyca/cryptography/issues/9785	https://bugzilla.redhat.com/show_bug.cgi?id=2254432
redhat_bugzilla	https://people.redhat.com/~hkario/marvin/	https://bugzilla.redhat.com/show_bug.cgi?id=2254432
redhat_bugzilla	https://github.com/openssl/openssl/pull/13817	https://bugzilla.redhat.com/show_bug.cgi?id=2254432
redhat_bugzilla	https://access.redhat.com/errata/RHBA-2023:6627	https://bugzilla.redhat.com/show_bug.cgi?id=2254432
redhat_bugzilla	https://access.redhat.com/errata/RHSA-2023:7877	https://bugzilla.redhat.com/show_bug.cgi?id=2254432
debian		https://security-tracker.debian.org/tracker/CVE-2023-50782
github_advisory	https://bugzilla.redhat.com/show_bug.cgi?id=2254432	https://github.com/advisories/GHSA-3ww4-gg4f-jr7f
github_advisory	https://nvd.nist.gov/vuln/detail/CVE-2023-50782	https://github.com/advisories/GHSA-3ww4-gg4f-jr7f
github_advisory	https://github.com/pyca/cryptography/issues/9785	https://github.com/advisories/GHSA-3ww4-gg4f-jr7f
github_advisory	https://access.redhat.com/security/cve/CVE-2023-50782	https://github.com/advisories/GHSA-3ww4-gg4f-jr7f
amazon_linux_explore	https://access.redhat.com/security/cve/CVE-2023-50782	https://explore.alas.aws.amazon.com/CVE-2023-50782.html
amazon_linux_explore	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-50782	https://explore.alas.aws.amazon.com/CVE-2023-50782.html
snyk	https://github.com/pyca/cryptography/issues/9785#issuecomment-1856209406	https://security.snyk.io/vuln/SNYK-PYTHON-CRYPTOGRAPHY-6126975

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)

影响的包	修复版本	修复补丁	问题引入补丁	来源
		https://github.com/openssl/openssl/pull/13817		suse_bugzilla
		https://github.com/openssl/openssl/pull/13817		redhat_bugzilla
		https://access.redhat.com/security/cve/CVE-2023-50782		nvd
		https://bugzilla.redhat.com/show_bug.cgi?id=2254432		nvd
		https://www.couchbase.com/alerts/		nvd

二、漏洞分析结构反馈
影响性分析说明：

openEuler评分：

受影响版本排查(受影响/不受影响)：
1.openEuler-20.03-LTS-SP1(3.3.1):
2.openEuler-20.03-LTS-SP3(3.3.1):
3.openEuler-20.03-LTS-SP4(3.3.1):
4.openEuler-22.03-LTS(3.3.1):
5.openEuler-22.03-LTS-SP1(36.0.1):
6.openEuler-22.03-LTS-SP2(36.0.1):
7.openEuler-22.03-LTS-SP3(36.0.1):
8.openEuler-24.03-LTS-Next(42.0.2):
9.openEuler-22.03-LTS-SP4(36.0.1):
10.master(42.0.2):

修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP1(3.3.1):
2.openEuler-20.03-LTS-SP3(3.3.1):
3.openEuler-20.03-LTS-SP4(3.3.1):
4.openEuler-22.03-LTS(3.3.1):
5.openEuler-22.03-LTS-SP1(36.0.1):
6.openEuler-22.03-LTS-SP2(36.0.1):
7.openEuler-22.03-LTS-SP3(36.0.1):
8.openEuler-24.03-LTS-Next(42.0.2):
9.openEuler-22.03-LTS-SP4(36.0.1):
10.master(42.0.2):

@overweight ,@xiezhipeng1 ,@zhujianwei001 ,@licihua ,@lvying6 ,@hubin95 ,@gaoruoshu ,@znzjugod ,@ziyangc ,@dillon_chen 
**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(3.3.1):
2.openEuler-20.03-LTS-SP3(3.3.1):
3.openEuler-20.03-LTS-SP4:
4.openEuler-22.03-LTS(3.3.1):
5.openEuler-22.03-LTS-SP1(36.0.1):
6.openEuler-22.03-LTS-SP2(36.0.1):
7.openEuler-22.03-LTS-SP3:

修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP1(3.3.1):
2.openEuler-20.03-LTS-SP3(3.3.1):
3.openEuler-20.03-LTS-SP4:
4.openEuler-22.03-LTS(3.3.1):
5.openEuler-22.03-LTS-SP1(36.0.1):
6.openEuler-22.03-LTS-SP2(36.0.1):
7.openEuler-22.03-LTS-SP3:

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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

参考网址	关联pr	状态	补丁链接
https://nvd.nist.gov/vuln/detail/CVE-2023-50782
https://ubuntu.com/security/CVE-2023-50782	None	None	https://discourse.ubuntu.com/c/ubuntu-pro
https://www.opencve.io/cve/CVE-2023-50782
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2023-50782	https://github.com/openssl/openssl/pull/13817	closed	https://github.com/openssl/openssl/commit/3b99dcb1a6df6853581d3035c6d9a23a831716bb https://github.com/openssl/openssl/commit/265843208f216731a6576b212ae81759b927b66a https://github.com/openssl/openssl/commit/6261dbaf15aff1ba1003a959eab5b87b9e902662 https://github.com/openssl/openssl/commit/c64da2f35cbcbf894b6d883998c954cfc418f229 https://github.com/openssl/openssl/commit/868ef1e8c568da23b3331864325e72c945a983d7 https://github.com/openssl/openssl/commit/4e2696b2cf048c44723516c6ef31789e58adf289 https://github.com/openssl/openssl/commit/71433147fb5e4c022f744c9c64908b7e10e9c761
https://security-tracker.debian.org/tracker/CVE-2023-50782

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

CVE-2020-25659:
安全公告：https://github.com/pyca/cryptography/security/advisories/GHSA-hggm-jpg3-v476
修复补丁：https://github.com/pyca/cryptography/commit/58494b41d6ecb0f56b7c5f05d5f5e3ca0320d494
其他：
https://people.redhat.com/~hkario/marvin/
https://github.com/openssl/openssl/pull/13817

/find-patch

参考网址	关联pr	状态	补丁链接
https://nvd.nist.gov/vuln/detail/CVE-2023-50782
https://ubuntu.com/security/CVE-2023-50782	None	None	https://discourse.ubuntu.com/c/ubuntu-pro
https://www.opencve.io/cve/CVE-2023-50782
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2023-50782	https://github.com/openssl/openssl/pull/13817	closed	https://github.com/openssl/openssl/commit/3b99dcb1a6df6853581d3035c6d9a23a831716bb https://github.com/openssl/openssl/commit/265843208f216731a6576b212ae81759b927b66a https://github.com/openssl/openssl/commit/6261dbaf15aff1ba1003a959eab5b87b9e902662 https://github.com/openssl/openssl/commit/c64da2f35cbcbf894b6d883998c954cfc418f229 https://github.com/openssl/openssl/commit/868ef1e8c568da23b3331864325e72c945a983d7 https://github.com/openssl/openssl/commit/4e2696b2cf048c44723516c6ef31789e58adf289 https://github.com/openssl/openssl/commit/71433147fb5e4c022f744c9c64908b7e10e9c761
https://security-tracker.debian.org/tracker/CVE-2023-50782	https://github.com/openssl/openssl/pull/13817	closed	https://github.com/openssl/openssl/commit/3b99dcb1a6df6853581d3035c6d9a23a831716bb https://github.com/openssl/openssl/commit/265843208f216731a6576b212ae81759b927b66a https://github.com/openssl/openssl/commit/6261dbaf15aff1ba1003a959eab5b87b9e902662 https://github.com/openssl/openssl/commit/c64da2f35cbcbf894b6d883998c954cfc418f229 https://github.com/openssl/openssl/commit/868ef1e8c568da23b3331864325e72c945a983d7 https://github.com/openssl/openssl/commit/4e2696b2cf048c44723516c6ef31789e58adf289 https://github.com/openssl/openssl/commit/71433147fb5e4c022f744c9c64908b7e10e9c761

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

CVE讨论issue:
https://github.com/pyca/cryptography/issues/9785
https://github.com/advisories/GHSA-3ww4-gg4f-jr7f

https://security.snyk.io/vuln/SNYK-PYTHON-CRYPTOGRAPHY-6126975
输入图片说明
 https://github.com/pyca/cryptography/issues/9785

cryptography应该要回合补丁：https://github.com/pyca/cryptography/pull/7895
https://github.com/pyca/cryptography/commit/7e33b0e7739d633c77b8c478620167f693ed13f4

| openssl社区提交 | 补丁描述 |
|-------------|------|
|https://github.com/openssl/openssl/commit/5ab3ec1bb1eaa795d775f5896818cfaa84d33a1a | rsa: Add option to disable implicit rejection （新增rsa_pkcs1_implicit_rejection）|
|https://github.com/openssl/openssl/commit/7fc67e0a33102aa47bbaa56533eeecb98c0450f7  | rsa: add implicit rejection in PKCS#1 v1.5|
|https://github.com/openssl/openssl/commit/ddecbef6e389d263b728b7fa30fd3d9ce13feddb  |  rsa: Skip the synthethic plaintext test with old FIPS provider|
|https://github.com/openssl/openssl/commit/8ae4f0e68ebb7435be494b58676827ae91695371 |rsa: add test vectors for the implicit rejection in RSA PKCS#1 v1.5|
|https://github.com/openssl/openssl/commit/455db0c94c0b83083ce8b792982c03aa56fc866f  | rsa: add test for the option to disable implicit rejection|
|https://github.com/openssl/openssl/commit/056dade341d2589975a3aae71f81c8d7061583c7  |smime/pkcs7: disable the Bleichenbacher workaround|
|https://github.com/openssl/openssl/commit/c3aed7e4e6f1960eaa43ecbea2178b82481887af  |  rsa: add implicit rejection CHANGES entry|

类似的CVE评分都是5.9：
CVE-2020-25659
CVE-2022-4304
CVE-2020-25657
CVE-2023-50781

cryptography社区无补丁，挂起。

/reason cryptography社区无补丁，挂起。

issue状态	操作者	原因
已挂起	tong_1001	cryptography社区无补丁，挂起。

没看到有说明CVE-2023-50782已修复。通过 https://access.redhat.com/security/cve/cve-2023-50782 来看，应该是未修复的

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