Multiple buffer overflows in Asterisk Open Source 1.4.x before 1.4.18.1 and 1.4.19-rc3, Open Source 1.6.x before 1.6.0-beta6, Business Edition C.x.x before C.1.6.1, AsteriskNOW 1.0.x before 1.0.2, Appliance Developer Kit before 1.4 revision 109386, and s800i 1.1.x before 1.1.0.2 allow remote attackers to (1) write a zero to an arbitrary memory location via a large RTP payload number, related to the ast_rtp_unset_m_type function in main/rtp.c; or (2) write certain integers to an arbitrary memory location via a large number of RTP payloads, related to the process_sdp function in channels/chan_sip.c.
Improper Restriction of Operations within the Bounds of a Memory Buffer The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary.
메트릭
메트릭
점수
심각도
CVSS 벡터
출처
V2
7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P
nvd@nist.gov
EPSS
EPSS는 취약점이 악용될 가능성을 예측하는 점수 모델입니다.
EPSS 점수
EPSS 모델은 0과 1(0~100%) 사이의 확률 점수를 생성합니다. 점수가 높을수록 취약점이 악용될 가능성이 높습니다.
날짜
EPSS V0
EPSS V1
EPSS V2 (> 2022-02-04)
EPSS V3 (> 2025-03-07)
EPSS V4 (> 2025-03-17)
2022-02-06
–
–
12.57%
–
–
2022-04-03
–
–
12.57%
–
–
2023-02-26
–
–
12.57%
–
–
2023-03-12
–
–
–
97.03%
–
2023-04-09
–
–
–
96.96%
–
2023-06-18
–
–
–
97.02%
–
2023-10-08
–
–
–
97%
–
2023-11-12
–
–
–
96.98%
–
2024-06-02
–
–
–
96.98%
–
2024-11-17
–
–
–
96.97%
–
2024-12-22
–
–
–
95.85%
–
2025-01-19
–
–
–
95.85%
–
2025-01-26
–
–
–
94%
–
2025-02-02
–
–
–
94%
–
2025-03-18
–
–
–
–
20.85%
2025-05-14
–
–
–
–
22.33%
2025-05-28
–
–
–
–
26.63%
2025-08-18
–
–
–
–
31.01%
2025-10-06
–
–
–
–
28.37%
2026-01-11
–
–
–
–
24.95%
EPSS 백분위수
백분위수는 EPSS 점수에 따라 CVE의 순위를 매기는 데 사용됩니다. 예를 들어 EPSS 점수 기준 95번째 백분위수의 CVE는 다른 CVE의 95%보다 악용될 가능성이 높습니다.