CVE-2017-8911 — Integer Underflow (Wrap or Wraparound) in Tnef

CWE-191 — Integer Underflow (Wrap or Wraparound)7 documents5 sources
Severity
9.8CRITICALNVD
EPSS
0.2%
top 55.53%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Tnef Project TnefDebian Tnef
Timeline
PublishedMay 12
Latest updateMay 17

Description

An integer underflow has been identified in the unicode_to_utf8() function in tnef 1.4.14. This might lead to invalid write operations, controlled by an attacker.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages3 packages

▶debiandebian/tnef< tnef 1.4.12-1.2 (bookworm)
▶Debiantnef_project/tnef< 1.4.12-1.2+3
▶NVDtnef_project/tnef1.4.14

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-575j-8r4j-2fmq: An integer underflow has been identified in the unicode_to_utf8() function in tnef 1↗2022-05-17
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OSV
CVE-2017-8911: An integer underflow has been identified in the unicode_to_utf8() function in tnef 1↗2017-05-12
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📋Vendor Advisories

1
Debian
CVE-2017-8911: tnef - An integer underflow has been identified in the unicode_to_utf8() function in tn...↗2017
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💬Community

3
Bugzilla
CVE-2017-8911 tnef: Integer underflow in unicode_to_utf8↗2017-05-16
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Bugzilla
CVE-2017-8911 tnef: Integer underflow in unicode_to_utf8 [fedora-all]↗2017-05-16
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Bugzilla
CVE-2017-8911 tnef: Integer underflow in unicode_to_utf8 [epel-all]↗2017-05-16
▶