超危
Exim SMTP listener缓存区溢出漏洞
2018-02-07 00:00:00 公开 ，2026-02-20 19:49:02 更新
- 关键漏洞
- CISA KEV
- 勒索软件漏洞
- APT漏洞
- 远程
- 无需认证
- 公开PoC
- CWE Top 25 (2023)
- 开源组件漏洞
- CWE Top 25 (2024)
风险信息
- CVSS v2 向量
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- CVSS v2 风险值
- 7.5
- CVSS v3 向量
- AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS v3 风险值
- 9.8
- CVSS v3.1 向量
- AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS v3.1 风险值
- 9.8
详细信息
- 漏洞类型
- 缓冲区错误
- 漏洞描述
- Exim是英国剑桥大学开发的一个运行于Unix系统中的开源消息传送代理（MTA），它主要负责邮件的路由、转发和投递。SMTP listener是其中的一个SMTP（简单邮件传输协议）监听器。Exim 4.90及之前版本中的SMTP listener存在缓冲区溢出漏洞。远程攻击者可通过发送特制的消息利用该漏洞执行代码。
- 修复建议
- 目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://exim.org/static/doc/security/CVE-2018-6789.txt
参考链接
- https://devco.re/blog/2018/03/06/exim-off-by-one-RCE-exploiting-CVE-2018-6789-en/
OSV · x_refsource_MISC
- http://openwall.com/lists/oss-security/2018/02/10/2
OSV · x_refsource_CONFIRM
- https://git.exim.org/exim.git/commit/cf3cd306062a08969c41a1cdd32c6855f1abecf1
OSV · x_refsource_CONFIRM
- https://usn.ubuntu.com/3565-1/
OSV · vendor-advisory · x_refsource_UBUNTU
- https://exim.org/static/doc/security/CVE-2018-6789.txt
OSV · x_refsource_CONFIRM
- https://www.debian.org/security/2018/dsa-4110
OSV · vendor-advisory · x_refsource_DEBIAN
- https://www.exploit-db.com/exploits/45671/
OSV · exploit · x_refsource_EXPLOIT-DB
- http://www.openwall.com/lists/oss-security/2018/02/07/2
OSV · mailing-list · x_refsource_MLIST
- https://www.exploit-db.com/exploits/44571/
OSV · exploit · x_refsource_EXPLOIT-DB
- https://lists.debian.org/debian-lts-announce/2018/02/msg00009.html
OSV · mailing-list · x_refsource_MLIST
- http://packetstormsecurity.com/files/162959/Exim-base64d-Buffer-Overflow.html
OSV · x_refsource_MISC
- https://osv.dev/vulnerability/DLA-1274-1
OSV
- https://osv.dev/vulnerability/DSA-4110-1
OSV
- http://www.securityfocus.com/bid/103049
OSV
- http://www.securitytracker.com/id/1040461
OSV
- https://osv.dev/vulnerability/CVE-2018-6789
OSV
- https://security-tracker.debian.org/tracker/CVE-2018-6789
OSV
- https://ubuntu.com/security/CVE-2018-6789
OSV
- https://ubuntu.com/security/notices/USN-3565-1
OSV
- https://www.cve.org/CVERecord?id=CVE-2018-6789
OSV
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog
OSV
- https://osv.dev/vulnerability/UBUNTU-CVE-2018-6789
OSV
- https://osv.dev/vulnerability/DEBIAN-CVE-2018-6789
OSV
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-6789
NVD · US Government Resource