低危 在FasterXML jackson-databind 2.0.0到2.9.10中发现了多态键入问题。

CVE编号

CVE-2019-16942

利用情况

暂无

补丁情况

官方补丁

披露时间

2019-10-02
漏洞描述
在FasterXML jackson-databind 2.0.0到2.9.10中发现了多态键入问题。当为外部公开的JSON端点启用“默认类型”(全局或特定属性)并且服务在类路径中具有commons-dbcp(1.4)jar时,攻击者可以找到要访问的RMI服务端点。可能使服务执行恶意有效负载。存在此问题是由于org.apache.commons.dbcp.datasources.SharedPoolDataSource和org.apache.commons.dbcp.datasources.PerUserPoolDataSource处理不当。

解决建议
厂商已发布了漏洞修复程序,请及时关注更新:
https://github.com/FasterXML/jackson-databind/issues/2478
参考链接
https://access.redhat.com/errata/RHSA-2019:3901
https://access.redhat.com/errata/RHSA-2020:0159
https://access.redhat.com/errata/RHSA-2020:0160
https://access.redhat.com/errata/RHSA-2020:0161
https://access.redhat.com/errata/RHSA-2020:0164
https://access.redhat.com/errata/RHSA-2020:0445
https://github.com/FasterXML/jackson-databind/issues/2478
https://issues.apache.org/jira/browse/GEODE-7255
https://lists.apache.org/thread.html/519eb0fd45642dcecd9ff74cb3e71c20a4753f7d...
https://lists.apache.org/thread.html/7782a937c9259a58337ee36b2961f00e2d744fea...
https://lists.apache.org/thread.html/a430dbc9be874c41314cc69e697384567a9a2402...
https://lists.apache.org/thread.html/b0656d359c7d40ec9f39c8cc61bca66802ef9a2a...
https://lists.apache.org/thread.html/b2e23c94f9dfef53e04c492e5d02e5c75201734b...
https://lists.apache.org/thread.html/f9bc3e55f4e28d1dcd1a69aae6d53e609a758e34...
https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a70533...
https://lists.apache.org/thread.html/rf1bbc0ea4a9f014cf94df9a12a6477d24a27f52...
https://lists.debian.org/debian-lts-announce/2019/10/msg00001.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://medium.com/%40cowtowncoder/on-jackson-cves-dont-panic-here-is-what-yo...
https://seclists.org/bugtraq/2019/Oct/6
https://security.netapp.com/advisory/ntap-20191017-0006/
https://www.debian.org/security/2019/dsa-4542
https://www.oracle.com//security-alerts/cpujul2021.html
https://www.oracle.com/security-alerts/cpuapr2020.html
https://www.oracle.com/security-alerts/cpuApr2021.html
https://www.oracle.com/security-alerts/cpujan2020.html
https://www.oracle.com/security-alerts/cpujul2020.html
https://www.oracle.com/security-alerts/cpuoct2020.html
受影响软件情况
# 类型 厂商 产品 版本 影响面
1
运行在以下环境
应用 fasterxml jackson-databind * From
(including)
2.0.0
Up to
(including)
2.9.10
运行在以下环境
系统 debian_10 jackson-databind * Up to
(excluding)
2.9.8-3+deb10u1
运行在以下环境
系统 debian_11 jackson-databind * Up to
(excluding)
2.10.0-2
运行在以下环境
系统 debian_12 jackson-databind * Up to
(excluding)
2.10.0-2
运行在以下环境
系统 debian_8 jackson-databind * Up to
(excluding)
2.4.2-2+deb8u2
运行在以下环境
系统 debian_9 jackson-databind * Up to
(excluding)
2.8.6-1+deb9u6
运行在以下环境
系统 fedora_30 jackson-annotations * Up to
(excluding)
2.10.0-1.fc30
运行在以下环境
系统 fedora_31 jackson-annotations * Up to
(excluding)
2.10.0-1.fc31
阿里云评分
3.1
  • 攻击路径
    远程
  • 攻击复杂度
    复杂
  • 权限要求
    无需权限
  • 影响范围
    有限影响
  • EXP成熟度
    未验证
  • 补丁情况
    官方补丁
  • 数据保密性
    无影响
  • 数据完整性
    无影响
  • 服务器危害
    无影响
  • 全网数量
    100
CWE-ID 漏洞类型
CWE-502 可信数据的反序列化
阿里云安全产品覆盖情况