Vulnerability Details : CVE-2022-25309
Potential exploit
A heap-based buffer overflow flaw was found in the Fribidi package and affects the fribidi_cap_rtl_to_unicode() function of the fribidi-char-sets-cap-rtl.c file. This flaw allows an attacker to pass a specially crafted file to the Fribidi application with the '--caprtl' option, leading to a crash and causing a denial of service.
Vulnerability category: OverflowMemory CorruptionDenial of service
Products affected by CVE-2022-25309
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:fribidi:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-25309
0.02%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 2 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-25309
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2022-25309
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A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().Assigned by: secalert@redhat.com (Primary)
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The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Secondary)
References for CVE-2022-25309
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https://bugzilla.redhat.com/show_bug.cgi?id=2047896
2047896 – (CVE-2022-25309) CVE-2022-25309 fribidi: Heap-buffer-overflow in fribidi_cap_rtl_to_unicodeExploit;Issue Tracking;Third Party Advisory
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https://github.com/fribidi/fribidi/issues/182
heap-buffer-overflow (/home/lin/fribidi/bin/fribidi+0x108fe) in fribidi_cap_rtl_to_unicode · Issue #182 · fribidi/fribidi · GitHubExploit;Third Party Advisory
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https://access.redhat.com/security/cve/CVE-2022-25309
CVE-2022-25309- Red Hat Customer PortalThird Party Advisory
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https://github.com/fribidi/fribidi/commit/f22593b82b5d1668d1997dbccd10a9c31ffea3b3
Protected against garbage in the CapRTL encoder · fribidi/fribidi@f22593b · GitHubPatch;Third Party Advisory
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