CVE-2017-7436— libzypp accepts unsigned packages even when configured to check signatures
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I. Basic Information for CVE-2017-7436
Vulnerability Information
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Vulnerability Title
libzypp accepts unsigned packages even when configured to check signatures
Source: NVD (National Vulnerability Database)
Vulnerability Description
In libzypp before 20170803 it was possible to retrieve unsigned packages without a warning to the user which could lead to man in the middle or malicious servers to inject malicious RPM packages into a users system.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
libzypp 输入验证漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libzypp（又名ZYPP）是美国Novell公司资助的一套开源的可管理引擎、驱动（例如：Linux应用程序YaST、Zypper）的工具。 libzypp 20170803之前版本中存在输入验证漏洞，该漏洞源于在检索未签名的包时，程序未向用户发出警告。攻击者可利用该漏洞向用户系统中注入恶意的RPM包。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2017-7436
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- https://www.suse.com/de-de/security/cve/CVE-2017-7436/x_refsource_CONFIRM
- https://bugzilla.suse.com/show_bug.cgi?id=1038984x_refsource_CONFIRM
- https://lists.opensuse.org/opensuse-security-announce/2017-08/msg00002.htmlvendor-advisoryx_refsource_SUSE
- https://nvd.nist.gov/vuln/detail/CVE-2017-7436
Same Patch Batch · SUSE · 2018-03-01 · 10 CVEs total
| CVE-2017-14798 | local privilege escalation in SUSE postgresql init script | |
| CVE-2017-14804 | package builds could use directory traversal to write outside of target area | |
| CVE-2017-7435 | libzypp accepts unsigned 3rd party repo without warning | |
| CVE-2017-9268 | open-build-service retrigger / wipebinaries hitting the wrong project bypassing access per | |
| CVE-2017-9269 | lack of keypinning in libzypp could lead to repository switching | |
| CVE-2017-9270 | post-auth arbitrary file write on cryptctl server | |
| CVE-2017-9271 | proxy credentials written to log files by zypper | |
| CVE-2017-9274 | osc executes spec code during "osc commit" | |
| CVE-2017-9286 | nextcloud package security issues with /srv/www/htdocs |
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