CVE-2011-2721

Advisory lineage Upstream: 0 Downstream: 2
Modified
Published: 05 Aug 2011, 21:00
Last modified:06 Aug 2024, 23:08

Vulnerability Summary

Overall Risk (default)
low
21/100
CVSS Score
5 MEDIUM
v2.0 (nvd)
EPSS Score
7.43% LOW
7% probability +4.37%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

05 Aug 2011, 21:00
Published
Vulnerability first disclosed
06 Aug 2024, 23:08
Last Modified
Vulnerability information updated

Description

Off-by-one error in the cli_hm_scan function in matcher-hash.c in libclamav in ClamAV before 0.97.2 allows remote attackers to cause a denial of service (daemon crash) via an e-mail message that is not properly handled during certain hash calculations.

CVSS Metrics

  • v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 7.43%• Percentile: 92%

Techniques & Countermeasures

  • CWE-189•Numeric Errors

    Weaknesses in this category are related to improper calculation or conversion of numbers.

Affected Systems

  • clamav•clamav

    ≤ 0.97.1 | 0.01 | 0.02 | 0.3 | 0.03 | 0.05 | 0.8:rc3 | 0.9:rc1 | 0.10 | 0.12 | 0.13 | 0.14 | 0.14:pre | 0.15 | 0.20 | 0.21 | 0.22 | 0.23 | 0.24 | 0.51 | 0.52 | 0.53 | 0.54 | 0.60 | 0.60p | 0.65 | 0.66 | 0.67 | 0.67-1 | 0.68 | 0.68.1 | 0.70 | 0.70:rc | 0.71 | 0.72 | 0.73 | 0.74 | 0.75 | 0.75.1 | 0.80 | 0.80:rc | 0.80:rc1 | 0.80:rc2 | 0.80:rc3 | 0.80:rc4 | 0.80_rc | 0.81 | 0.81:rc1 | 0.82 | 0.83 | 0.84 | 0.84:rc1 | 0.84:rc2 | 0.85 | 0.85.1 | 0.86 | 0.86:rc1 | 0.86.1 | 0.86.2 | 0.87 | 0.87.1 | 0.88 | 0.88.1 | 0.88.2 | 0.88.3 | 0.88.4 | 0.88.5 | 0.88.6 | 0.88.7 | 0.88.7_p0 | 0.88.7_p1 | 0.90 | 0.90:rc1 | 0.90:rc1.1 | 0.90:rc2 | 0.90:rc3 | 0.90.1 | 0.90.1_p0 | 0.90.2 | 0.90.2_p0 | 0.90.3 | 0.90.3_p0 | 0.90.3_p1 | 0.91 | 0.91:rc1 | 0.91:rc2 | 0.91.1 | 0.91.2 | 0.91.2_p0 | 0.92 | 0.92.1 | 0.92_p0 | 0.93 | 0.93.1 | 0.93.2 | 0.93.3 | 0.94 | 0.94.1 | 0.94.2 | 0.95 | 0.95:rc1 | 0.95:rc2 | 0.95:src1 | 0.95:src2 | 0.95.1 | 0.95.2 | 0.95.3 | 0.96 | 0.96:rc1 | 0.96:rc2 | 0.96.1 | 0.96.2 | 0.96.3 | 0.96.4 | 0.96.5 | 0.97 | 0.97:rc

References (18)