6.8

CVE-2009-1252: ntp

CVSS: 6.8v2.0MediumModified
AliasesDEBIAN-CVE-2009-1252
Published 19-05-2009Last modified 07-08-2024
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Vulnerability summary

CVE-2009-1252 is a medium (CVSS 6.8) vulnerability in ntp. EPSS estimates a 21.29% chance of exploitation in the next 30 days, higher than 97.5% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.8/10
010
Medium · v2.0 (NVD)
EPSS score
21.29%
0%100%
High · +0.16 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 4 · Related 1
DSA-1801-1OPENSUSE-SU-2024:10181-1RHSA-2009:1039RHSA-2009:1040

Timeline

  1. 19-05-2009
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

Stack-based buffer overflow in the crypto_recv function in ntp_crypto.c in ntpd in NTP before 4.2.4p7 and 4.2.5 before 4.2.5p74, when OpenSSL and autokey are enabled, allows remote attackers to execute arbitrary code via a crafted packet containing an extension field.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

21.29%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

+0.16 pp

From 21.12% on 18-09-2026

18-09-202618-10-2026
EPSS score
21.29%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • ntp< 1:4.2.4p6+dfsg-2
Ntp1 product
  • ntp4.2.4p0 | 4.2.4p1 | 4.2.4p2 | 4.2.4p3 | 4.2.4p4 | 4.2.4p5 | 4.2.4p6 | 4.2.5p0 | 4.2.5p1 | 4.2.5p2 | 4.2.5p3 | 4.2.5p4 | 4.2.5p5 | 4.2.5p6 | 4.2.5p7 | 4.2.5p8 | 4.2.5p9 | 4.2.5p10 | 4.2.5p11 | 4.2.5p12 | 4.2.5p13 | 4.2.5p14 | 4.2.5p15 | 4.2.5p16 | 4.2.5p17 | 4.2.5p18 | 4.2.5p19 | 4.2.5p20 | 4.2.5p21 | 4.2.5p23 | 4.2.5p24 | 4.2.5p25 | 4.2.5p26 | 4.2.5p27 | 4.2.5p28 | 4.2.5p29 | 4.2.5p30 | 4.2.5p31 | 4.2.5p32 | 4.2.5p33 | 4.2.5p35 | 4.2.5p36 | 4.2.5p37 | 4.2.5p38 | 4.2.5p39 | 4.2.5p40 | 4.2.5p41 | 4.2.5p42 | 4.2.5p43 | 4.2.5p44 | 4.2.5p45 | 4.2.5p46 | 4.2.5p47 | 4.2.5p48 | 4.2.5p49 | 4.2.5p50 | 4.2.5p51 | 4.2.5p52 | 4.2.5p53 | 4.2.5p54 | 4.2.5p55 | 4.2.5p56 | 4.2.5p57 | 4.2.5p58 | 4.2.5p59 | 4.2.5p60 | 4.2.5p61 | 4.2.5p62 | 4.2.5p63 | 4.2.5p64 | 4.2.5p65 | 4.2.5p66 | 4.2.5p67 | 4.2.5p68 | 4.2.5p69 | 4.2.5p70 | 4.2.5p71 | 4.2.5p73

2 vendors · 2 products

References

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