Exim · Mail Transfer Agent (MTA)
CVE-2019-10149
Exim Mail Transfer Agent (MTA) Improper Input Validation
Explorada em ataques
Crítica 9,0 Chance de ataque: >99,9%
O que é
A flaw was found in Exim versions 4.87 to 4.91 (inclusive). Improper validation of recipient address in deliver_message() function in /src/deliver.c may lead to remote command execution.
CISA: Improper validation of recipient address in deliver_message() function in /src/deliver.c may lead to remote command execution.
O que fazer
Apply updates per vendor instructions.
Prazo para as agências federais dos EUA: 10 de julho de 2022
- Adicionada à lista da CISA
- 10 de janeiro de 2022
- Publicada
- 5 de junho de 2019
- Gravidade
- Crítica 9,0 CVSS 3.0
- Chance de ataques nos próximos 30 dias (EPSS)
- >99,9% entre os 0,1% mais altos de todas as vulnerabilidades conhecidas
- Fraqueza
- CWE-78
- Mais detalhes
- NVD · CVE.org · CISA
Todas as referências (20)
- https://usn.ubuntu.com/4010-1/
- https://www.debian.org/security/2019/dsa-4456
- https://security.gentoo.org/glsa/201906-01
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00020.html
- http://www.openwall.com/lists/oss-security/2019/06/05/2
- http://www.openwall.com/lists/oss-security/2019/06/05/3
- http://www.openwall.com/lists/oss-security/2019/06/05/4
- https://seclists.org/bugtraq/2019/Jun/5
- http://www.openwall.com/lists/oss-security/2019/06/06/1
- http://www.securityfocus.com/bid/108679
- http://seclists.org/fulldisclosure/2019/Jun/16
- http://www.openwall.com/lists/oss-security/2019/07/25/6
- http://www.openwall.com/lists/oss-security/2019/07/25/7
- http://www.openwall.com/lists/oss-security/2019/07/26/4
- http://www.openwall.com/lists/oss-security/2021/05/04/7
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10149
- https://www.exim.org/static/doc/security/CVE-2019-10149.txt
- http://packetstormsecurity.com/files/153218/Exim-4.9.1-Remote-Command-Execution.html
- http://packetstormsecurity.com/files/153312/Exim-4.91-Local-Privilege-Escalation.html
- http://packetstormsecurity.com/files/154198/Exim-4.91-Local-Privilege-Escalation.html
Mais falhas exploradas de Exim
| Adicionado | Vulnerabilidade | Produto | Gravidade | Chance de ataque |
|---|---|---|---|---|
| 25 de mar. de 2022 | Heap-Based Buffer Overflow | Exim | Crítica 9,8 | 72% |
| 25 de mar. de 2022 | Privilege Escalation | Exim | Alto 7,8 | 18% |
| 3 de mar. de 2022 | Out-of-bounds Write | Exim Internet Mailer | Crítica 9,8 | 42% |
| 3 de nov. de 2021 | Buffer Overflow | Exim | Crítica 9,8 | 82% |
Fontes: Known Exploited Vulnerabilities (CISA, domínio público), CVE records (cve.org) e EPSS (FIRST). A chance de ataque é a estimativa EPSS de que alguém tente explorar a falha nos próximos 30 dias.