CVE-2019-13161
asterisk - security update
5.3
MEDIUM
CVSS 3.1
EPSS 4.0%
描述
An issue was discovered in Asterisk Open Source through 13.27.0, 14.x and 15.x through 15.7.2, and 16.x through 16.4.0, and Certified Asterisk through 13.21-cert3. A pointer dereference in chan_sip while handling SDP negotiation allows an attacker to crash Asterisk when handling an SDP answer to an outgoing T.38 re-invite. To exploit this vulnerability an attacker must cause the chan_sip module to send a T.38 re-invite request to them. Upon receipt, the attacker must send an SDP answer containing both a T.38 UDPTL stream and another media stream containing only a codec (which is not permitted according to the chan_sip configuration).
如何修補 CVE-2019-13161
要修補 CVE-2019-13161,請將受影響套件升級到下列已修補版本。
- —升級至 1:16.2.1~dfsg-2 或更新版本
CVE-2019-13161 正在被利用嗎?
低 — EPSS 為 4.0%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 1:16.2.1~dfsg-2
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |