5.8

CVE-2008-5077: openssl Improper Input Validation

Modified
AliasesRHSA-2009:0004DEBIAN-CVE-2008-5077DSA-1701-1
Published 07-01-2009Last modified 07-08-2024

Vulnerability summary

CVE-2008-5077 is a medium (CVSS 5.8) Improper Input Validation vulnerability in openssl. EPSS estimates a 5.15% chance of exploitation in the next 30 days, higher than 92.4% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.8, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.8/10
010
Medium · v2.0 (NVD)
EPSS score
5.15%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
OPENSUSE-SU-2024:11127-1

Timeline

  1. 07-01-2009
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

OpenSSL 0.9.8i and earlier does not properly check the return value from the EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature for DSA and ECDSA keys.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

5.15%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

No change 0.00 pp

From 5.15% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Redhat10 products
  • openssl< 0:0.9.6b-49 | < 0:0.9.7a-33.25 | < 0:0.9.7a-43.17.el4_7.2 | < 0:0.9.8b-10.el5_2.1
  • openssl-debuginfo< 0:0.9.7a-33.25 | < 0:0.9.7a-43.17.el4_7.2 | < 0:0.9.8b-10.el5_2.1
  • openssl-devel< 0:0.9.6b-49 | < 0:0.9.7a-33.25 | < 0:0.9.7a-43.17.el4_7.2 | < 0:0.9.8b-10.el5_2.1
  • openssl-perl< 0:0.9.6b-49 | < 0:0.9.7a-33.25 | < 0:0.9.7a-43.17.el4_7.2 | < 0:0.9.8b-10.el5_2.1
  • openssl095a< 0:0.9.5a-34
Debian2 products
  • openssl< 0.9.8c-4etch4 | < 0.9.8g-15
  • openssl097< 0.9.7k-3.1etch2
Openssl1 product
  • opensslEOL≤ 0.9.8h | 0.9.1c | 0.9.2b | 0.9.3 | 0.9.3a | 0.9.4 | 0.9.5 | 0.9.5:beta1 | 0.9.5:beta2 | 0.9.5a | 0.9.5a:beta1 | 0.9.5a:beta2 | 0.9.6 | 0.9.6:beta1 | 0.9.6:beta2 | 0.9.6:beta3 | 0.9.6a | 0.9.6a:beta1 | 0.9.6a:beta2 | 0.9.6a:beta3 | 0.9.6b | 0.9.6c | 0.9.6d | 0.9.6e | 0.9.6f | 0.9.6g | 0.9.6h | 0.9.6i | 0.9.6j | 0.9.6k | 0.9.6l | 0.9.6m | 0.9.7 | 0.9.7:beta1 | 0.9.7:beta2 | 0.9.7:beta3 | 0.9.7:beta4 | 0.9.7:beta5 | 0.9.7:beta6 | 0.9.7a | 0.9.7b | 0.9.7c | 0.9.7d | 0.9.7e | 0.9.7f | 0.9.7g | 0.9.7h | 0.9.7i | 0.9.7j | 0.9.7k | 0.9.7l | 0.9.8 | 0.9.8a | 0.9.8b | 0.9.8c | 0.9.8d | 0.9.8e | 0.9.8f | 0.9.8g

3 vendors · 13 products

References

51 links
Show all 51 references